199981880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42013}}^1$

素因数の和:42048

約数の個数: 64

約数和(自身を含む): 544501440

約数和(自身を除く): 344519560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 42013, 84026, 168052, 210065, 294091, 336104, 420130, 588182, 714221, 840260, 1176364, 1428442, 1470455, 1680520, 2352728, 2856884, 2940910, 3571105, 4999547, 5713768, 5881820, 7142210, 9999094, 11763640, 14284420, 19998188, 24997735, 28568840, 39996376, 49995470, 99990940, 199981880]

約数ペア:

[(1, 199981880), (2, 99990940), (4, 49995470), (5, 39996376), (7, 28568840), (8, 24997735), (10, 19998188), (14, 14284420), (17, 11763640), (20, 9999094), (28, 7142210), (34, 5881820), (35, 5713768), (40, 4999547), (56, 3571105), (68, 2940910), (70, 2856884), (85, 2352728), (119, 1680520), (136, 1470455), (140, 1428442), (170, 1176364), (238, 840260), (280, 714221), (340, 588182), (476, 420130), (595, 336104), (680, 294091), (952, 210065), (1190, 168052), (2380, 84026), (4760, 42013)]