225078980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5563}}^1$

素因数の和:5613

約数の個数: 72

約数和(自身を含む): 573937728

約数和(自身を除く): 348858748

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2380, 2890, 4046, 5563, 5780, 8092, 10115, 11126, 20230, 22252, 27815, 38941, 40460, 55630, 77882, 94571, 111260, 155764, 189142, 194705, 378284, 389410, 472855, 661997, 778820, 945710, 1323994, 1607707, 1891420, 2647988, 3215414, 3309985, 6430828, 6619970, 8038535, 11253949, 13239940, 16077070, 22507898, 32154140, 45015796, 56269745, 112539490, 225078980]

約数ペア:

[(1, 225078980), (2, 112539490), (4, 56269745), (5, 45015796), (7, 32154140), (10, 22507898), (14, 16077070), (17, 13239940), (20, 11253949), (28, 8038535), (34, 6619970), (35, 6430828), (68, 3309985), (70, 3215414), (85, 2647988), (119, 1891420), (140, 1607707), (170, 1323994), (238, 945710), (289, 778820), (340, 661997), (476, 472855), (578, 389410), (595, 378284), (1156, 194705), (1190, 189142), (1445, 155764), (2023, 111260), (2380, 94571), (2890, 77882), (4046, 55630), (5563, 40460), (5780, 38941), (8092, 27815), (10115, 22252), (11126, 20230)]