2719940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 6096384

約数和(自身を除く): 3376444

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 107, 124, 155, 164, 205, 214, 310, 410, 428, 535, 620, 820, 1070, 1271, 2140, 2542, 3317, 4387, 5084, 6355, 6634, 8774, 12710, 13268, 16585, 17548, 21935, 25420, 33170, 43870, 66340, 87740, 135997, 271994, 543988, 679985, 1359970, 2719940]

約数ペア:

[(1, 2719940), (2, 1359970), (4, 679985), (5, 543988), (10, 271994), (20, 135997), (31, 87740), (41, 66340), (62, 43870), (82, 33170), (107, 25420), (124, 21935), (155, 17548), (164, 16585), (205, 13268), (214, 12710), (310, 8774), (410, 6634), (428, 6355), (535, 5084), (620, 4387), (820, 3317), (1070, 2542), (1271, 2140)]