169380440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 421977600

約数和(自身を除く): 252597160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 71, 73, 76, 86, 95, 142, 146, 152, 172, 190, 215, 284, 292, 344, 355, 365, 380, 430, 568, 584, 710, 730, 760, 817, 860, 1349, 1387, 1420, 1460, 1634, 1720, 2698, 2774, 2840, 2920, 3053, 3139, 3268, 4085, 5183, 5396, 5548, 6106, 6278, 6536, 6745, 6935, 8170, 10366, 10792, 11096, 12212, 12556, 13490, 13870, 15265, 15695, 16340, 20732, 24424, 25112, 25915, 26980, 27740, 30530, 31390, 32680, 41464, 51830, 53960, 55480, 58007, 59641, 61060, 62780, 98477, 103660, 116014, 119282, 122120, 125560, 196954, 207320, 222869, 232028, 238564, 290035, 298205, 393908, 445738, 464056, 477128, 492385, 580070, 596410, 787816, 891476, 984770, 1114345, 1160140, 1192820, 1782952, 1969540, 2228690, 2320280, 2385640, 3939080, 4234511, 4457380, 8469022, 8914760, 16938044, 21172555, 33876088, 42345110, 84690220, 169380440]

約数ペア:

[(1, 169380440), (2, 84690220), (4, 42345110), (5, 33876088), (8, 21172555), (10, 16938044), (19, 8914760), (20, 8469022), (38, 4457380), (40, 4234511), (43, 3939080), (71, 2385640), (73, 2320280), (76, 2228690), (86, 1969540), (95, 1782952), (142, 1192820), (146, 1160140), (152, 1114345), (172, 984770), (190, 891476), (215, 787816), (284, 596410), (292, 580070), (344, 492385), (355, 477128), (365, 464056), (380, 445738), (430, 393908), (568, 298205), (584, 290035), (710, 238564), (730, 232028), (760, 222869), (817, 207320), (860, 196954), (1349, 125560), (1387, 122120), (1420, 119282), (1460, 116014), (1634, 103660), (1720, 98477), (2698, 62780), (2774, 61060), (2840, 59641), (2920, 58007), (3053, 55480), (3139, 53960), (3268, 51830), (4085, 41464), (5183, 32680), (5396, 31390), (5548, 30530), (6106, 27740), (6278, 26980), (6536, 25915), (6745, 25112), (6935, 24424), (8170, 20732), (10366, 16340), (10792, 15695), (11096, 15265), (12212, 13870), (12556, 13490)]