40303940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 94899840

約数和(自身を除く): 54595900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 367, 380, 578, 646, 734, 1156, 1292, 1445, 1468, 1615, 1835, 2890, 3230, 3670, 5491, 5780, 6239, 6460, 6973, 7340, 10982, 12478, 13946, 21964, 24956, 27455, 27892, 31195, 34865, 54910, 62390, 69730, 106063, 109820, 118541, 124780, 139460, 212126, 237082, 424252, 474164, 530315, 592705, 1060630, 1185410, 2015197, 2121260, 2370820, 4030394, 8060788, 10075985, 20151970, 40303940]

約数ペア:

[(1, 40303940), (2, 20151970), (4, 10075985), (5, 8060788), (10, 4030394), (17, 2370820), (19, 2121260), (20, 2015197), (34, 1185410), (38, 1060630), (68, 592705), (76, 530315), (85, 474164), (95, 424252), (170, 237082), (190, 212126), (289, 139460), (323, 124780), (340, 118541), (367, 109820), (380, 106063), (578, 69730), (646, 62390), (734, 54910), (1156, 34865), (1292, 31195), (1445, 27892), (1468, 27455), (1615, 24956), (1835, 21964), (2890, 13946), (3230, 12478), (3670, 10982), (5491, 7340), (5780, 6973), (6239, 6460)]