17818100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 41330688

約数和(自身を除く): 23512588

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 61, 92, 100, 115, 122, 127, 230, 244, 254, 305, 460, 508, 575, 610, 635, 1150, 1220, 1270, 1403, 1525, 2300, 2540, 2806, 2921, 3050, 3175, 5612, 5842, 6100, 6350, 7015, 7747, 11684, 12700, 14030, 14605, 15494, 28060, 29210, 30988, 35075, 38735, 58420, 70150, 73025, 77470, 140300, 146050, 154940, 178181, 193675, 292100, 356362, 387350, 712724, 774700, 890905, 1781810, 3563620, 4454525, 8909050, 17818100]

約数ペア:

[(1, 17818100), (2, 8909050), (4, 4454525), (5, 3563620), (10, 1781810), (20, 890905), (23, 774700), (25, 712724), (46, 387350), (50, 356362), (61, 292100), (92, 193675), (100, 178181), (115, 154940), (122, 146050), (127, 140300), (230, 77470), (244, 73025), (254, 70150), (305, 58420), (460, 38735), (508, 35075), (575, 30988), (610, 29210), (635, 28060), (1150, 15494), (1220, 14605), (1270, 14030), (1403, 12700), (1525, 11684), (2300, 7747), (2540, 7015), (2806, 6350), (2921, 6100), (3050, 5842), (3175, 5612)]