42010700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 94931424

約数和(自身を除く): 52920724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 71, 97, 100, 122, 142, 194, 244, 284, 305, 355, 388, 485, 610, 710, 970, 1220, 1420, 1525, 1775, 1940, 2425, 3050, 3550, 4331, 4850, 5917, 6100, 6887, 7100, 8662, 9700, 11834, 13774, 17324, 21655, 23668, 27548, 29585, 34435, 43310, 59170, 68870, 86620, 108275, 118340, 137740, 147925, 172175, 216550, 295850, 344350, 420107, 433100, 591700, 688700, 840214, 1680428, 2100535, 4201070, 8402140, 10502675, 21005350, 42010700]

約数ペア:

[(1, 42010700), (2, 21005350), (4, 10502675), (5, 8402140), (10, 4201070), (20, 2100535), (25, 1680428), (50, 840214), (61, 688700), (71, 591700), (97, 433100), (100, 420107), (122, 344350), (142, 295850), (194, 216550), (244, 172175), (284, 147925), (305, 137740), (355, 118340), (388, 108275), (485, 86620), (610, 68870), (710, 59170), (970, 43310), (1220, 34435), (1420, 29585), (1525, 27548), (1775, 23668), (1940, 21655), (2425, 17324), (3050, 13774), (3550, 11834), (4331, 9700), (4850, 8662), (5917, 7100), (6100, 6887)]