642120050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2964

約数の個数: 96

約数和(自身を含む): 1448907264

約数和(自身を除く): 806787214

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 110, 130, 143, 155, 275, 286, 310, 325, 341, 403, 550, 650, 682, 715, 775, 806, 1430, 1550, 1705, 2015, 2897, 3410, 3575, 4030, 4433, 5794, 7150, 8525, 8866, 10075, 14485, 17050, 20150, 22165, 28970, 31867, 37661, 44330, 63734, 72425, 75322, 89807, 110825, 144850, 159335, 179614, 188305, 221650, 318670, 376610, 414271, 449035, 796675, 828542, 898070, 941525, 987877, 1167491, 1593350, 1883050, 1975754, 2071355, 2245175, 2334982, 4142710, 4490350, 4939385, 5837455, 9878770, 10356775, 11674910, 12842401, 20713550, 24696925, 25684802, 29187275, 49393850, 58374550, 64212005, 128424010, 321060025, 642120050]

約数ペア:

[(1, 642120050), (2, 321060025), (5, 128424010), (10, 64212005), (11, 58374550), (13, 49393850), (22, 29187275), (25, 25684802), (26, 24696925), (31, 20713550), (50, 12842401), (55, 11674910), (62, 10356775), (65, 9878770), (110, 5837455), (130, 4939385), (143, 4490350), (155, 4142710), (275, 2334982), (286, 2245175), (310, 2071355), (325, 1975754), (341, 1883050), (403, 1593350), (550, 1167491), (650, 987877), (682, 941525), (715, 898070), (775, 828542), (806, 796675), (1430, 449035), (1550, 414271), (1705, 376610), (2015, 318670), (2897, 221650), (3410, 188305), (3575, 179614), (4030, 159335), (4433, 144850), (5794, 110825), (7150, 89807), (8525, 75322), (8866, 72425), (10075, 63734), (14485, 44330), (17050, 37661), (20150, 31867), (22165, 28970)]