61861940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2243}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 149288832

約数和(自身を除く): 87426892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2243, 2758, 3940, 4486, 5516, 6895, 8972, 11215, 13790, 15701, 22430, 27580, 31402, 44860, 62804, 78505, 157010, 314020, 441871, 883742, 1767484, 2209355, 3093097, 4418710, 6186194, 8837420, 12372388, 15465485, 30930970, 61861940]

約数ペア:

[(1, 61861940), (2, 30930970), (4, 15465485), (5, 12372388), (7, 8837420), (10, 6186194), (14, 4418710), (20, 3093097), (28, 2209355), (35, 1767484), (70, 883742), (140, 441871), (197, 314020), (394, 157010), (788, 78505), (985, 62804), (1379, 44860), (1970, 31402), (2243, 27580), (2758, 22430), (3940, 15701), (4486, 13790), (5516, 11215), (6895, 8972)]