2100078800

素因数分解:

$2^4\times 5^2\times {\mathrm{971}}^1\times {\mathrm{5407}}^1$

素因数の和:6396

約数の個数: 60

約数和(自身を含む): 5051569536

約数和(自身を除く): 2951490736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 971, 1942, 3884, 4855, 5407, 7768, 9710, 10814, 15536, 19420, 21628, 24275, 27035, 38840, 43256, 48550, 54070, 77680, 86512, 97100, 108140, 135175, 194200, 216280, 270350, 388400, 432560, 540700, 1081400, 2162800, 5250197, 10500394, 21000788, 26250985, 42001576, 52501970, 84003152, 105003940, 131254925, 210007880, 262509850, 420015760, 525019700, 1050039400, 2100078800]

約数ペア:

[(1, 2100078800), (2, 1050039400), (4, 525019700), (5, 420015760), (8, 262509850), (10, 210007880), (16, 131254925), (20, 105003940), (25, 84003152), (40, 52501970), (50, 42001576), (80, 26250985), (100, 21000788), (200, 10500394), (400, 5250197), (971, 2162800), (1942, 1081400), (3884, 540700), (4855, 432560), (5407, 388400), (7768, 270350), (9710, 216280), (10814, 194200), (15536, 135175), (19420, 108140), (21628, 97100), (24275, 86512), (27035, 77680), (38840, 54070), (43256, 48550)]