681832910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3389}}^1$

素因数の和:3497

約数の個数: 64

約数和(自身を含む): 1405900800

約数和(自身を除く): 724067890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 59, 62, 110, 118, 155, 295, 310, 341, 590, 649, 682, 1298, 1705, 1829, 3245, 3389, 3410, 3658, 6490, 6778, 9145, 16945, 18290, 20119, 33890, 37279, 40238, 74558, 100595, 105059, 186395, 199951, 201190, 210118, 372790, 399902, 525295, 999755, 1050590, 1155649, 1999510, 2199461, 2311298, 4398922, 5778245, 6198481, 10997305, 11556490, 12396962, 21994610, 30992405, 61984810, 68183291, 136366582, 340916455, 681832910]

約数ペア:

[(1, 681832910), (2, 340916455), (5, 136366582), (10, 68183291), (11, 61984810), (22, 30992405), (31, 21994610), (55, 12396962), (59, 11556490), (62, 10997305), (110, 6198481), (118, 5778245), (155, 4398922), (295, 2311298), (310, 2199461), (341, 1999510), (590, 1155649), (649, 1050590), (682, 999755), (1298, 525295), (1705, 399902), (1829, 372790), (3245, 210118), (3389, 201190), (3410, 199951), (3658, 186395), (6490, 105059), (6778, 100595), (9145, 74558), (16945, 40238), (18290, 37279), (20119, 33890)]