3971940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 13036800

約数和(自身を除く): 9064860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 193, 196, 210, 245, 294, 343, 386, 420, 490, 579, 588, 686, 735, 772, 965, 980, 1029, 1158, 1351, 1372, 1470, 1715, 1930, 2058, 2316, 2702, 2895, 2940, 3430, 3860, 4053, 4116, 5145, 5404, 5790, 6755, 6860, 8106, 9457, 10290, 11580, 13510, 16212, 18914, 20265, 20580, 27020, 28371, 37828, 40530, 47285, 56742, 66199, 81060, 94570, 113484, 132398, 141855, 189140, 198597, 264796, 283710, 330995, 397194, 567420, 661990, 794388, 992985, 1323980, 1985970, 3971940]

約数ペア:

[(1, 3971940), (2, 1985970), (3, 1323980), (4, 992985), (5, 794388), (6, 661990), (7, 567420), (10, 397194), (12, 330995), (14, 283710), (15, 264796), (20, 198597), (21, 189140), (28, 141855), (30, 132398), (35, 113484), (42, 94570), (49, 81060), (60, 66199), (70, 56742), (84, 47285), (98, 40530), (105, 37828), (140, 28371), (147, 27020), (193, 20580), (196, 20265), (210, 18914), (245, 16212), (294, 13510), (343, 11580), (386, 10290), (420, 9457), (490, 8106), (579, 6860), (588, 6755), (686, 5790), (735, 5404), (772, 5145), (965, 4116), (980, 4053), (1029, 3860), (1158, 3430), (1351, 2940), (1372, 2895), (1470, 2702), (1715, 2316), (1930, 2058)]