204470598980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{442903}}^1$

素因数の和:443516

約数の個数: 48

約数和(自身を含む): 440643417984

約数和(自身を除く): 236172819004

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 563, 820, 1126, 2252, 2815, 5630, 11260, 23083, 46166, 92332, 115415, 230830, 442903, 461660, 885806, 1771612, 2214515, 4429030, 8858060, 18159023, 36318046, 72636092, 90795115, 181590230, 249354389, 363180460, 498708778, 997417556, 1246771945, 2493543890, 4987087780, 10223529949, 20447059898, 40894119796, 51117649745, 102235299490, 204470598980]

約数ペア:

[(1, 204470598980), (2, 102235299490), (4, 51117649745), (5, 40894119796), (10, 20447059898), (20, 10223529949), (41, 4987087780), (82, 2493543890), (164, 1246771945), (205, 997417556), (410, 498708778), (563, 363180460), (820, 249354389), (1126, 181590230), (2252, 90795115), (2815, 72636092), (5630, 36318046), (11260, 18159023), (23083, 8858060), (46166, 4429030), (92332, 2214515), (115415, 1771612), (230830, 885806), (442903, 461660)]