2489432820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2182

約数の個数: 192

約数和(自身を含む): 8443115520

約数和(自身を除く): 5953682700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 157, 190, 210, 228, 266, 285, 314, 380, 399, 420, 471, 532, 570, 628, 665, 785, 798, 942, 1099, 1140, 1330, 1570, 1596, 1884, 1987, 1995, 2198, 2355, 2660, 2983, 3140, 3297, 3974, 3990, 4396, 4710, 5495, 5961, 5966, 6594, 7948, 7980, 8949, 9420, 9935, 10990, 11922, 11932, 13188, 13909, 14915, 16485, 17898, 19870, 20881, 21980, 23844, 27818, 29805, 29830, 32970, 35796, 37753, 39740, 41727, 41762, 44745, 55636, 59610, 59660, 62643, 65940, 69545, 75506, 83454, 83524, 89490, 104405, 113259, 119220, 125286, 139090, 151012, 166908, 178980, 188765, 208635, 208810, 226518, 250572, 264271, 278180, 311959, 313215, 377530, 417270, 417620, 453036, 528542, 566295, 623918, 626430, 755060, 792813, 834540, 935877, 1057084, 1132590, 1247836, 1252860, 1321355, 1559795, 1585626, 1871754, 2183713, 2265180, 2642710, 3119590, 3171252, 3743508, 3964065, 4367426, 4679385, 5285420, 5927221, 6239180, 6551139, 7928130, 8734852, 9358770, 10918565, 11854442, 13102278, 15856260, 17781663, 18717540, 21837130, 23708884, 26204556, 29636105, 32755695, 35563326, 41490547, 43674260, 59272210, 65511390, 71126652, 82981094, 88908315, 118544420, 124471641, 131022780, 165962188, 177816630, 207452735, 248943282, 355633260, 414905470, 497886564, 622358205, 829810940, 1244716410, 2489432820]

約数ペア:

[(1, 2489432820), (2, 1244716410), (3, 829810940), (4, 622358205), (5, 497886564), (6, 414905470), (7, 355633260), (10, 248943282), (12, 207452735), (14, 177816630), (15, 165962188), (19, 131022780), (20, 124471641), (21, 118544420), (28, 88908315), (30, 82981094), (35, 71126652), (38, 65511390), (42, 59272210), (57, 43674260), (60, 41490547), (70, 35563326), (76, 32755695), (84, 29636105), (95, 26204556), (105, 23708884), (114, 21837130), (133, 18717540), (140, 17781663), (157, 15856260), (190, 13102278), (210, 11854442), (228, 10918565), (266, 9358770), (285, 8734852), (314, 7928130), (380, 6551139), (399, 6239180), (420, 5927221), (471, 5285420), (532, 4679385), (570, 4367426), (628, 3964065), (665, 3743508), (785, 3171252), (798, 3119590), (942, 2642710), (1099, 2265180), (1140, 2183713), (1330, 1871754), (1570, 1585626), (1596, 1559795), (1884, 1321355), (1987, 1252860), (1995, 1247836), (2198, 1132590), (2355, 1057084), (2660, 935877), (2983, 834540), (3140, 792813), (3297, 755060), (3974, 626430), (3990, 623918), (4396, 566295), (4710, 528542), (5495, 453036), (5961, 417620), (5966, 417270), (6594, 377530), (7948, 313215), (7980, 311959), (8949, 278180), (9420, 264271), (9935, 250572), (10990, 226518), (11922, 208810), (11932, 208635), (13188, 188765), (13909, 178980), (14915, 166908), (16485, 151012), (17898, 139090), (19870, 125286), (20881, 119220), (21980, 113259), (23844, 104405), (27818, 89490), (29805, 83524), (29830, 83454), (32970, 75506), (35796, 69545), (37753, 65940), (39740, 62643), (41727, 59660), (41762, 59610), (44745, 55636)]