100202800

素因数分解:

$2^4\times 5^2\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1046

約数の個数: 60

約数和(自身を含む): 241726096

約数和(自身を除く): 141523296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 397, 400, 631, 794, 1262, 1588, 1985, 2524, 3155, 3176, 3970, 5048, 6310, 6352, 7940, 9925, 10096, 12620, 15775, 15880, 19850, 25240, 31550, 31760, 39700, 50480, 63100, 79400, 126200, 158800, 250507, 252400, 501014, 1002028, 1252535, 2004056, 2505070, 4008112, 5010140, 6262675, 10020280, 12525350, 20040560, 25050700, 50101400, 100202800]

約数ペア:

[(1, 100202800), (2, 50101400), (4, 25050700), (5, 20040560), (8, 12525350), (10, 10020280), (16, 6262675), (20, 5010140), (25, 4008112), (40, 2505070), (50, 2004056), (80, 1252535), (100, 1002028), (200, 501014), (397, 252400), (400, 250507), (631, 158800), (794, 126200), (1262, 79400), (1588, 63100), (1985, 50480), (2524, 39700), (3155, 31760), (3176, 31550), (3970, 25240), (5048, 19850), (6310, 15880), (6352, 15775), (7940, 12620), (9925, 10096)]