201245240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 537477120

約数和(自身を除く): 336231880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 71, 106, 140, 142, 191, 212, 265, 280, 284, 355, 371, 382, 424, 497, 530, 568, 710, 742, 764, 955, 994, 1060, 1337, 1420, 1484, 1528, 1855, 1910, 1988, 2120, 2485, 2674, 2840, 2968, 3710, 3763, 3820, 3976, 4970, 5348, 6685, 7420, 7526, 7640, 9940, 10123, 10696, 13370, 13561, 14840, 15052, 18815, 19880, 20246, 26341, 26740, 27122, 30104, 37630, 40492, 50615, 52682, 53480, 54244, 67805, 70861, 75260, 80984, 94927, 101230, 105364, 108488, 131705, 135610, 141722, 150520, 189854, 202460, 210728, 263410, 271220, 283444, 354305, 379708, 404920, 474635, 526820, 542440, 566888, 708610, 718733, 759416, 949270, 1053640, 1417220, 1437466, 1898540, 2834440, 2874932, 3593665, 3797080, 5031131, 5749864, 7187330, 10062262, 14374660, 20124524, 25155655, 28749320, 40249048, 50311310, 100622620, 201245240]

約数ペア:

[(1, 201245240), (2, 100622620), (4, 50311310), (5, 40249048), (7, 28749320), (8, 25155655), (10, 20124524), (14, 14374660), (20, 10062262), (28, 7187330), (35, 5749864), (40, 5031131), (53, 3797080), (56, 3593665), (70, 2874932), (71, 2834440), (106, 1898540), (140, 1437466), (142, 1417220), (191, 1053640), (212, 949270), (265, 759416), (280, 718733), (284, 708610), (355, 566888), (371, 542440), (382, 526820), (424, 474635), (497, 404920), (530, 379708), (568, 354305), (710, 283444), (742, 271220), (764, 263410), (955, 210728), (994, 202460), (1060, 189854), (1337, 150520), (1420, 141722), (1484, 135610), (1528, 131705), (1855, 108488), (1910, 105364), (1988, 101230), (2120, 94927), (2485, 80984), (2674, 75260), (2840, 70861), (2968, 67805), (3710, 54244), (3763, 53480), (3820, 52682), (3976, 50615), (4970, 40492), (5348, 37630), (6685, 30104), (7420, 27122), (7526, 26740), (7640, 26341), (9940, 20246), (10123, 19880), (10696, 18815), (13370, 15052), (13561, 14840)]