197381940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{469957}}^1$

素因数の和:469976

約数の個数: 48

約数和(自身を含む): 631623552

約数和(自身を除く): 434241612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 469957, 939914, 1409871, 1879828, 2349785, 2819742, 3289699, 4699570, 5639484, 6579398, 7049355, 9399140, 9869097, 13158796, 14098710, 16448495, 19738194, 28197420, 32896990, 39476388, 49345485, 65793980, 98690970, 197381940]

約数ペア:

[(1, 197381940), (2, 98690970), (3, 65793980), (4, 49345485), (5, 39476388), (6, 32896990), (7, 28197420), (10, 19738194), (12, 16448495), (14, 14098710), (15, 13158796), (20, 9869097), (21, 9399140), (28, 7049355), (30, 6579398), (35, 5639484), (42, 4699570), (60, 3289699), (70, 2819742), (84, 2349785), (105, 1879828), (140, 1409871), (210, 939914), (420, 469957)]