1638938700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1841

約数の個数: 216

約数和(自身を含む): 5912003552

約数和(自身を除く): 4273064852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 157, 175, 180, 210, 225, 252, 300, 314, 315, 350, 420, 450, 471, 525, 628, 630, 700, 785, 900, 942, 1050, 1099, 1260, 1413, 1570, 1575, 1657, 1884, 2100, 2198, 2355, 2826, 3140, 3150, 3297, 3314, 3925, 4396, 4710, 4971, 5495, 5652, 6300, 6594, 6628, 7065, 7850, 8285, 9420, 9891, 9942, 10990, 11599, 11775, 13188, 14130, 14913, 15700, 16485, 16570, 19782, 19884, 21980, 23198, 23550, 24855, 27475, 28260, 29826, 32970, 33140, 34797, 35325, 39564, 41425, 46396, 47100, 49455, 49710, 54950, 57995, 59652, 65940, 69594, 70650, 74565, 82425, 82850, 98910, 99420, 104391, 109900, 115990, 124275, 139188, 141300, 149130, 164850, 165700, 173985, 197820, 208782, 231980, 247275, 248550, 260149, 289975, 298260, 329700, 347970, 372825, 417564, 494550, 497100, 520298, 521955, 579950, 695940, 745650, 780447, 869925, 989100, 1040596, 1043910, 1159900, 1300745, 1491300, 1560894, 1739850, 1821043, 2087820, 2341341, 2601490, 2609775, 3121788, 3479700, 3642086, 3902235, 4682682, 5202980, 5219550, 5463129, 6503725, 7284172, 7804470, 9105215, 9365364, 10439100, 10926258, 11706705, 13007450, 15608940, 16389387, 18210430, 19511175, 21852516, 23413410, 26014900, 27315645, 32778774, 36420860, 39022350, 45526075, 46826820, 54631290, 58533525, 65557548, 78044700, 81946935, 91052150, 109262580, 117067050, 136578225, 163893870, 182104300, 234134100, 273156450, 327787740, 409734675, 546312900, 819469350, 1638938700]

約数ペア:

[(1, 1638938700), (2, 819469350), (3, 546312900), (4, 409734675), (5, 327787740), (6, 273156450), (7, 234134100), (9, 182104300), (10, 163893870), (12, 136578225), (14, 117067050), (15, 109262580), (18, 91052150), (20, 81946935), (21, 78044700), (25, 65557548), (28, 58533525), (30, 54631290), (35, 46826820), (36, 45526075), (42, 39022350), (45, 36420860), (50, 32778774), (60, 27315645), (63, 26014900), (70, 23413410), (75, 21852516), (84, 19511175), (90, 18210430), (100, 16389387), (105, 15608940), (126, 13007450), (140, 11706705), (150, 10926258), (157, 10439100), (175, 9365364), (180, 9105215), (210, 7804470), (225, 7284172), (252, 6503725), (300, 5463129), (314, 5219550), (315, 5202980), (350, 4682682), (420, 3902235), (450, 3642086), (471, 3479700), (525, 3121788), (628, 2609775), (630, 2601490), (700, 2341341), (785, 2087820), (900, 1821043), (942, 1739850), (1050, 1560894), (1099, 1491300), (1260, 1300745), (1413, 1159900), (1570, 1043910), (1575, 1040596), (1657, 989100), (1884, 869925), (2100, 780447), (2198, 745650), (2355, 695940), (2826, 579950), (3140, 521955), (3150, 520298), (3297, 497100), (3314, 494550), (3925, 417564), (4396, 372825), (4710, 347970), (4971, 329700), (5495, 298260), (5652, 289975), (6300, 260149), (6594, 248550), (6628, 247275), (7065, 231980), (7850, 208782), (8285, 197820), (9420, 173985), (9891, 165700), (9942, 164850), (10990, 149130), (11599, 141300), (11775, 139188), (13188, 124275), (14130, 115990), (14913, 109900), (15700, 104391), (16485, 99420), (16570, 98910), (19782, 82850), (19884, 82425), (21980, 74565), (23198, 70650), (23550, 69594), (24855, 65940), (27475, 59652), (28260, 57995), (29826, 54950), (32970, 49710), (33140, 49455), (34797, 47100), (35325, 46396), (39564, 41425)]