209653360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:783

約数の個数: 120

約数和(自身を含む): 575052480

約数和(自身を除く): 365399120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 677, 784, 790, 980, 1106, 1264, 1354, 1580, 1960, 2212, 2708, 2765, 3160, 3385, 3871, 3920, 4424, 4739, 5416, 5530, 6320, 6770, 7742, 8848, 9478, 10832, 11060, 13540, 15484, 18956, 19355, 22120, 23695, 27080, 30968, 33173, 37912, 38710, 44240, 47390, 53483, 54160, 61936, 66346, 75824, 77420, 94780, 106966, 132692, 154840, 165865, 189560, 213932, 265384, 267415, 309680, 331730, 374381, 379120, 427864, 530768, 534830, 663460, 748762, 855728, 1069660, 1326920, 1497524, 1871905, 2139320, 2620667, 2653840, 2995048, 3743810, 4278640, 5241334, 5990096, 7487620, 10482668, 13103335, 14975240, 20965336, 26206670, 29950480, 41930672, 52413340, 104826680, 209653360]

約数ペア:

[(1, 209653360), (2, 104826680), (4, 52413340), (5, 41930672), (7, 29950480), (8, 26206670), (10, 20965336), (14, 14975240), (16, 13103335), (20, 10482668), (28, 7487620), (35, 5990096), (40, 5241334), (49, 4278640), (56, 3743810), (70, 2995048), (79, 2653840), (80, 2620667), (98, 2139320), (112, 1871905), (140, 1497524), (158, 1326920), (196, 1069660), (245, 855728), (280, 748762), (316, 663460), (392, 534830), (395, 530768), (490, 427864), (553, 379120), (560, 374381), (632, 331730), (677, 309680), (784, 267415), (790, 265384), (980, 213932), (1106, 189560), (1264, 165865), (1354, 154840), (1580, 132692), (1960, 106966), (2212, 94780), (2708, 77420), (2765, 75824), (3160, 66346), (3385, 61936), (3871, 54160), (3920, 53483), (4424, 47390), (4739, 44240), (5416, 38710), (5530, 37912), (6320, 33173), (6770, 30968), (7742, 27080), (8848, 23695), (9478, 22120), (10832, 19355), (11060, 18956), (13540, 15484)]