251010100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 650958336

約数和(自身を除く): 399948236

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 31, 34, 44, 50, 55, 62, 68, 85, 100, 110, 124, 155, 170, 187, 220, 275, 310, 340, 341, 374, 425, 433, 527, 550, 620, 682, 748, 775, 850, 866, 935, 1054, 1100, 1364, 1550, 1700, 1705, 1732, 1870, 2108, 2165, 2635, 3100, 3410, 3740, 4330, 4675, 4763, 5270, 5797, 6820, 7361, 8525, 8660, 9350, 9526, 10540, 10825, 11594, 13175, 13423, 14722, 17050, 18700, 19052, 21650, 23188, 23815, 26350, 26846, 28985, 29444, 34100, 36805, 43300, 47630, 52700, 53692, 57970, 67115, 73610, 80971, 95260, 115940, 119075, 134230, 144925, 147220, 147653, 161942, 184025, 228191, 238150, 268460, 289850, 295306, 323884, 335575, 368050, 404855, 456382, 476300, 579700, 590612, 671150, 736100, 738265, 809710, 912764, 1140955, 1342300, 1476530, 1619420, 2024275, 2281910, 2510101, 2953060, 3691325, 4048550, 4563820, 5020202, 5704775, 7382650, 8097100, 10040404, 11409550, 12550505, 14765300, 22819100, 25101010, 50202020, 62752525, 125505050, 251010100]

約数ペア:

[(1, 251010100), (2, 125505050), (4, 62752525), (5, 50202020), (10, 25101010), (11, 22819100), (17, 14765300), (20, 12550505), (22, 11409550), (25, 10040404), (31, 8097100), (34, 7382650), (44, 5704775), (50, 5020202), (55, 4563820), (62, 4048550), (68, 3691325), (85, 2953060), (100, 2510101), (110, 2281910), (124, 2024275), (155, 1619420), (170, 1476530), (187, 1342300), (220, 1140955), (275, 912764), (310, 809710), (340, 738265), (341, 736100), (374, 671150), (425, 590612), (433, 579700), (527, 476300), (550, 456382), (620, 404855), (682, 368050), (748, 335575), (775, 323884), (850, 295306), (866, 289850), (935, 268460), (1054, 238150), (1100, 228191), (1364, 184025), (1550, 161942), (1700, 147653), (1705, 147220), (1732, 144925), (1870, 134230), (2108, 119075), (2165, 115940), (2635, 95260), (3100, 80971), (3410, 73610), (3740, 67115), (4330, 57970), (4675, 53692), (4763, 52700), (5270, 47630), (5797, 43300), (6820, 36805), (7361, 34100), (8525, 29444), (8660, 28985), (9350, 26846), (9526, 26350), (10540, 23815), (10825, 23188), (11594, 21650), (13175, 19052), (13423, 18700), (14722, 17050)]