4009980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 12446784

約数和(自身を除く): 8436804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 97, 106, 130, 156, 159, 194, 195, 212, 260, 265, 291, 318, 388, 390, 485, 530, 582, 636, 689, 780, 795, 970, 1060, 1164, 1261, 1378, 1455, 1590, 1940, 2067, 2522, 2756, 2910, 3180, 3445, 3783, 4134, 5044, 5141, 5820, 6305, 6890, 7566, 8268, 10282, 10335, 12610, 13780, 15132, 15423, 18915, 20564, 20670, 25220, 25705, 30846, 37830, 41340, 51410, 61692, 66833, 75660, 77115, 102820, 133666, 154230, 200499, 267332, 308460, 334165, 400998, 668330, 801996, 1002495, 1336660, 2004990, 4009980]

約数ペア:

[(1, 4009980), (2, 2004990), (3, 1336660), (4, 1002495), (5, 801996), (6, 668330), (10, 400998), (12, 334165), (13, 308460), (15, 267332), (20, 200499), (26, 154230), (30, 133666), (39, 102820), (52, 77115), (53, 75660), (60, 66833), (65, 61692), (78, 51410), (97, 41340), (106, 37830), (130, 30846), (156, 25705), (159, 25220), (194, 20670), (195, 20564), (212, 18915), (260, 15423), (265, 15132), (291, 13780), (318, 12610), (388, 10335), (390, 10282), (485, 8268), (530, 7566), (582, 6890), (636, 6305), (689, 5820), (780, 5141), (795, 5044), (970, 4134), (1060, 3783), (1164, 3445), (1261, 3180), (1378, 2910), (1455, 2756), (1590, 2522), (1940, 2067)]