747105460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{6803}}^1$

素因数の和:6865

約数の個数: 72

約数和(自身を含む): 1754615520

約数和(自身を除く): 1007510060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 5491, 5780, 6460, 6803, 10982, 13606, 21964, 27212, 27455, 34015, 54910, 68030, 109820, 115651, 129257, 136060, 231302, 258514, 462604, 517028, 578255, 646285, 1156510, 1292570, 1966067, 2197369, 2313020, 2585140, 3932134, 4394738, 7864268, 8789476, 9830335, 10986845, 19660670, 21973690, 37355273, 39321340, 43947380, 74710546, 149421092, 186776365, 373552730, 747105460]

約数ペア:

[(1, 747105460), (2, 373552730), (4, 186776365), (5, 149421092), (10, 74710546), (17, 43947380), (19, 39321340), (20, 37355273), (34, 21973690), (38, 19660670), (68, 10986845), (76, 9830335), (85, 8789476), (95, 7864268), (170, 4394738), (190, 3932134), (289, 2585140), (323, 2313020), (340, 2197369), (380, 1966067), (578, 1292570), (646, 1156510), (1156, 646285), (1292, 578255), (1445, 517028), (1615, 462604), (2890, 258514), (3230, 231302), (5491, 136060), (5780, 129257), (6460, 115651), (6803, 109820), (10982, 68030), (13606, 54910), (21964, 34015), (27212, 27455)]