2108809100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{7013}}^1$

素因数の和:7155

約数の個数: 72

約数和(自身を含む): 4773111168

約数和(自身を除く): 2664302068

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 97, 100, 124, 155, 194, 310, 388, 485, 620, 775, 970, 1550, 1940, 2425, 3007, 3100, 4850, 6014, 7013, 9700, 12028, 14026, 15035, 28052, 30070, 35065, 60140, 70130, 75175, 140260, 150350, 175325, 217403, 300700, 350650, 434806, 680261, 701300, 869612, 1087015, 1360522, 2174030, 2721044, 3401305, 4348060, 5435075, 6802610, 10870150, 13605220, 17006525, 21088091, 21740300, 34013050, 42176182, 68026100, 84352364, 105440455, 210880910, 421761820, 527202275, 1054404550, 2108809100]

約数ペア:

[(1, 2108809100), (2, 1054404550), (4, 527202275), (5, 421761820), (10, 210880910), (20, 105440455), (25, 84352364), (31, 68026100), (50, 42176182), (62, 34013050), (97, 21740300), (100, 21088091), (124, 17006525), (155, 13605220), (194, 10870150), (310, 6802610), (388, 5435075), (485, 4348060), (620, 3401305), (775, 2721044), (970, 2174030), (1550, 1360522), (1940, 1087015), (2425, 869612), (3007, 701300), (3100, 680261), (4850, 434806), (6014, 350650), (7013, 300700), (9700, 217403), (12028, 175325), (14026, 150350), (15035, 140260), (28052, 75175), (30070, 70130), (35065, 60140)]