269561860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 607307400

約数和(自身を除く): 337745540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 289, 298, 313, 340, 578, 596, 626, 745, 1156, 1252, 1445, 1490, 1565, 2533, 2890, 2980, 3130, 5066, 5321, 5780, 6260, 10132, 10642, 12665, 21284, 25330, 26605, 43061, 46637, 50660, 53210, 86122, 90457, 93274, 106420, 172244, 180914, 186548, 215305, 233185, 361828, 430610, 452285, 466370, 792829, 861220, 904570, 932740, 1585658, 1809140, 3171316, 3964145, 7928290, 13478093, 15856580, 26956186, 53912372, 67390465, 134780930, 269561860]

約数ペア:

[(1, 269561860), (2, 134780930), (4, 67390465), (5, 53912372), (10, 26956186), (17, 15856580), (20, 13478093), (34, 7928290), (68, 3964145), (85, 3171316), (149, 1809140), (170, 1585658), (289, 932740), (298, 904570), (313, 861220), (340, 792829), (578, 466370), (596, 452285), (626, 430610), (745, 361828), (1156, 233185), (1252, 215305), (1445, 186548), (1490, 180914), (1565, 172244), (2533, 106420), (2890, 93274), (2980, 90457), (3130, 86122), (5066, 53210), (5321, 50660), (5780, 46637), (6260, 43061), (10132, 26605), (10642, 25330), (12665, 21284)]