29957740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 68699232

約数和(自身を除く): 38741492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 73, 85, 142, 146, 170, 284, 289, 292, 340, 355, 365, 578, 710, 730, 1156, 1207, 1241, 1420, 1445, 1460, 2414, 2482, 2890, 4828, 4964, 5183, 5780, 6035, 6205, 10366, 12070, 12410, 20519, 20732, 21097, 24140, 24820, 25915, 41038, 42194, 51830, 82076, 84388, 88111, 102595, 103660, 105485, 176222, 205190, 210970, 352444, 410380, 421940, 440555, 881110, 1497887, 1762220, 2995774, 5991548, 7489435, 14978870, 29957740]

約数ペア:

[(1, 29957740), (2, 14978870), (4, 7489435), (5, 5991548), (10, 2995774), (17, 1762220), (20, 1497887), (34, 881110), (68, 440555), (71, 421940), (73, 410380), (85, 352444), (142, 210970), (146, 205190), (170, 176222), (284, 105485), (289, 103660), (292, 102595), (340, 88111), (355, 84388), (365, 82076), (578, 51830), (710, 42194), (730, 41038), (1156, 25915), (1207, 24820), (1241, 24140), (1420, 21097), (1445, 20732), (1460, 20519), (2414, 12410), (2482, 12070), (2890, 10366), (4828, 6205), (4964, 6035), (5183, 5780)]