9981589420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{50023}}^1$

素因数の和:50950

約数の個数: 48

約数和(自身を含む): 22892583168

約数和(自身を除く): 12910993748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 907, 1814, 3628, 4535, 9070, 9977, 18140, 19954, 39908, 49885, 50023, 99770, 100046, 199540, 200092, 250115, 500230, 550253, 1000460, 1100506, 2201012, 2751265, 5502530, 11005060, 45370861, 90741722, 181483444, 226854305, 453708610, 499079471, 907417220, 998158942, 1996317884, 2495397355, 4990794710, 9981589420]

約数ペア:

[(1, 9981589420), (2, 4990794710), (4, 2495397355), (5, 1996317884), (10, 998158942), (11, 907417220), (20, 499079471), (22, 453708610), (44, 226854305), (55, 181483444), (110, 90741722), (220, 45370861), (907, 11005060), (1814, 5502530), (3628, 2751265), (4535, 2201012), (9070, 1100506), (9977, 1000460), (18140, 550253), (19954, 500230), (39908, 250115), (49885, 200092), (50023, 199540), (99770, 100046)]