212954920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7354

約数の個数: 64

約数和(自身を含む): 519203520

約数和(自身を除く): 306248600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7283, 7310, 14566, 14620, 29132, 29240, 36415, 58264, 72830, 123811, 145660, 247622, 291320, 313169, 495244, 619055, 626338, 990488, 1238110, 1252676, 1565845, 2476220, 2505352, 3131690, 4952440, 5323873, 6263380, 10647746, 12526760, 21295492, 26619365, 42590984, 53238730, 106477460, 212954920]

約数ペア:

[(1, 212954920), (2, 106477460), (4, 53238730), (5, 42590984), (8, 26619365), (10, 21295492), (17, 12526760), (20, 10647746), (34, 6263380), (40, 5323873), (43, 4952440), (68, 3131690), (85, 2505352), (86, 2476220), (136, 1565845), (170, 1252676), (172, 1238110), (215, 990488), (340, 626338), (344, 619055), (430, 495244), (680, 313169), (731, 291320), (860, 247622), (1462, 145660), (1720, 123811), (2924, 72830), (3655, 58264), (5848, 36415), (7283, 29240), (7310, 29132), (14566, 14620)]