18374654375

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2418

約数の個数: 80

約数和(自身を含む): 28805179392

約数和(自身を除く): 10430525017

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 173, 175, 275, 385, 625, 865, 875, 1211, 1375, 1903, 1925, 2207, 4325, 4375, 6055, 6875, 9515, 9625, 11035, 13321, 15449, 21625, 24277, 30275, 47575, 48125, 55175, 66605, 77245, 108125, 121385, 151375, 169939, 237875, 275875, 333025, 381811, 386225, 606925, 756875, 849695, 1189375, 1379375, 1665125, 1909055, 1931125, 2672677, 3034625, 4199921, 4248475, 8325625, 9545275, 9655625, 13363385, 15173125, 20999605, 21242375, 29399447, 47726375, 66816925, 104998025, 106211875, 146997235, 238631875, 334084625, 524990125, 734986175, 1670423125, 2624950625, 3674930875, 18374654375]

約数ペア:

[(1, 18374654375), (5, 3674930875), (7, 2624950625), (11, 1670423125), (25, 734986175), (35, 524990125), (55, 334084625), (77, 238631875), (125, 146997235), (173, 106211875), (175, 104998025), (275, 66816925), (385, 47726375), (625, 29399447), (865, 21242375), (875, 20999605), (1211, 15173125), (1375, 13363385), (1903, 9655625), (1925, 9545275), (2207, 8325625), (4325, 4248475), (4375, 4199921), (6055, 3034625), (6875, 2672677), (9515, 1931125), (9625, 1909055), (11035, 1665125), (13321, 1379375), (15449, 1189375), (21625, 849695), (24277, 756875), (30275, 606925), (47575, 386225), (48125, 381811), (55175, 333025), (66605, 275875), (77245, 237875), (108125, 169939), (121385, 151375)]