77823100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 174551328

約数和(自身を除く): 96728228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 97, 100, 113, 142, 194, 226, 284, 355, 388, 452, 485, 565, 710, 970, 1130, 1420, 1775, 1940, 2260, 2425, 2825, 3550, 4850, 5650, 6887, 7100, 8023, 9700, 10961, 11300, 13774, 16046, 21922, 27548, 32092, 34435, 40115, 43844, 54805, 68870, 80230, 109610, 137740, 160460, 172175, 200575, 219220, 274025, 344350, 401150, 548050, 688700, 778231, 802300, 1096100, 1556462, 3112924, 3891155, 7782310, 15564620, 19455775, 38911550, 77823100]

約数ペア:

[(1, 77823100), (2, 38911550), (4, 19455775), (5, 15564620), (10, 7782310), (20, 3891155), (25, 3112924), (50, 1556462), (71, 1096100), (97, 802300), (100, 778231), (113, 688700), (142, 548050), (194, 401150), (226, 344350), (284, 274025), (355, 219220), (388, 200575), (452, 172175), (485, 160460), (565, 137740), (710, 109610), (970, 80230), (1130, 68870), (1420, 54805), (1775, 43844), (1940, 40115), (2260, 34435), (2425, 32092), (2825, 27548), (3550, 21922), (4850, 16046), (5650, 13774), (6887, 11300), (7100, 10961), (8023, 9700)]