207979268980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9970243}}^1$

素因数の和:9970408

約数の個数: 48

約数和(自身を含む): 502500297600

約数和(自身を除く): 294521028620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 9970243, 19940486, 39880972, 49851215, 69791701, 99702430, 139583402, 199404860, 279166804, 348958505, 697917010, 1395834020, 1485566207, 2971132414, 5942264828, 7427831035, 10398963449, 14855662070, 20797926898, 29711324140, 41595853796, 51994817245, 103989634490, 207979268980]

約数ペア:

[(1, 207979268980), (2, 103989634490), (4, 51994817245), (5, 41595853796), (7, 29711324140), (10, 20797926898), (14, 14855662070), (20, 10398963449), (28, 7427831035), (35, 5942264828), (70, 2971132414), (140, 1485566207), (149, 1395834020), (298, 697917010), (596, 348958505), (745, 279166804), (1043, 199404860), (1490, 139583402), (2086, 99702430), (2980, 69791701), (4172, 49851215), (5215, 39880972), (10430, 19940486), (20860, 9970243)]