348978890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8311}}^1$

素因数の和:8367

約数の個数: 64

約数和(自身を含む): 754064640

約数和(自身を除く): 405085750

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 8311, 8398, 16622, 20995, 41555, 41990, 83110, 108043, 141287, 157909, 216086, 282574, 315818, 540215, 706435, 789545, 1080430, 1412870, 1579090, 1836731, 2052817, 2684453, 3673462, 4105634, 5368906, 9183655, 10264085, 13422265, 18367310, 20528170, 26844530, 34897889, 69795778, 174489445, 348978890]

約数ペア:

[(1, 348978890), (2, 174489445), (5, 69795778), (10, 34897889), (13, 26844530), (17, 20528170), (19, 18367310), (26, 13422265), (34, 10264085), (38, 9183655), (65, 5368906), (85, 4105634), (95, 3673462), (130, 2684453), (170, 2052817), (190, 1836731), (221, 1579090), (247, 1412870), (323, 1080430), (442, 789545), (494, 706435), (646, 540215), (1105, 315818), (1235, 282574), (1615, 216086), (2210, 157909), (2470, 141287), (3230, 108043), (4199, 83110), (8311, 41990), (8398, 41555), (16622, 20995)]