8101100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 20498688

約数和(自身を除く): 12397588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 163, 175, 284, 326, 350, 355, 497, 652, 700, 710, 815, 994, 1141, 1420, 1630, 1775, 1988, 2282, 2485, 3260, 3550, 4075, 4564, 4970, 5705, 7100, 8150, 9940, 11410, 11573, 12425, 16300, 22820, 23146, 24850, 28525, 46292, 49700, 57050, 57865, 81011, 114100, 115730, 162022, 231460, 289325, 324044, 405055, 578650, 810110, 1157300, 1620220, 2025275, 4050550, 8101100]

約数ペア:

[(1, 8101100), (2, 4050550), (4, 2025275), (5, 1620220), (7, 1157300), (10, 810110), (14, 578650), (20, 405055), (25, 324044), (28, 289325), (35, 231460), (50, 162022), (70, 115730), (71, 114100), (100, 81011), (140, 57865), (142, 57050), (163, 49700), (175, 46292), (284, 28525), (326, 24850), (350, 23146), (355, 22820), (497, 16300), (652, 12425), (700, 11573), (710, 11410), (815, 9940), (994, 8150), (1141, 7100), (1420, 5705), (1630, 4970), (1775, 4564), (1988, 4075), (2282, 3550), (2485, 3260)]