200908040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6871}}^1$

素因数の和:6942

約数の個数: 64

約数和(自身を含む): 489836160

約数和(自身を除く): 288928120

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, 6871, 7310, 13742, 14620, 27484, 29240, 34355, 54968, 68710, 116807, 137420, 233614, 274840, 295453, 467228, 584035, 590906, 934456, 1168070, 1181812, 1477265, 2336140, 2363624, 2954530, 4672280, 5022701, 5909060, 10045402, 11818120, 20090804, 25113505, 40181608, 50227010, 100454020, 200908040]

約数ペア:

[(1, 200908040), (2, 100454020), (4, 50227010), (5, 40181608), (8, 25113505), (10, 20090804), (17, 11818120), (20, 10045402), (34, 5909060), (40, 5022701), (43, 4672280), (68, 2954530), (85, 2363624), (86, 2336140), (136, 1477265), (170, 1181812), (172, 1168070), (215, 934456), (340, 590906), (344, 584035), (430, 467228), (680, 295453), (731, 274840), (860, 233614), (1462, 137420), (1720, 116807), (2924, 68710), (3655, 54968), (5848, 34355), (6871, 29240), (7310, 27484), (13742, 14620)]