17857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 55996416

約数和(自身を除く): 38138576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 223, 260, 280, 286, 308, 364, 385, 440, 446, 455, 520, 560, 572, 616, 715, 728, 770, 880, 892, 910, 1001, 1040, 1115, 1144, 1232, 1430, 1456, 1540, 1561, 1784, 1820, 2002, 2230, 2288, 2453, 2860, 2899, 3080, 3122, 3568, 3640, 4004, 4460, 4906, 5005, 5720, 5798, 6160, 6244, 7280, 7805, 8008, 8920, 9812, 10010, 11440, 11596, 12265, 12488, 14495, 15610, 16016, 17171, 17840, 19624, 20020, 20293, 23192, 24530, 24976, 28990, 31220, 31889, 34342, 39248, 40040, 40586, 46384, 49060, 57980, 62440, 63778, 68684, 80080, 81172, 85855, 98120, 101465, 115960, 124880, 127556, 137368, 159445, 162344, 171710, 196240, 202930, 223223, 231920, 255112, 274736, 318890, 324688, 343420, 405860, 446446, 510224, 637780, 686840, 811720, 892892, 1116115, 1275560, 1373680, 1623440, 1785784, 2232230, 2551120, 3571568, 4464460, 8928920, 17857840]

約数ペア:

[(1, 17857840), (2, 8928920), (4, 4464460), (5, 3571568), (7, 2551120), (8, 2232230), (10, 1785784), (11, 1623440), (13, 1373680), (14, 1275560), (16, 1116115), (20, 892892), (22, 811720), (26, 686840), (28, 637780), (35, 510224), (40, 446446), (44, 405860), (52, 343420), (55, 324688), (56, 318890), (65, 274736), (70, 255112), (77, 231920), (80, 223223), (88, 202930), (91, 196240), (104, 171710), (110, 162344), (112, 159445), (130, 137368), (140, 127556), (143, 124880), (154, 115960), (176, 101465), (182, 98120), (208, 85855), (220, 81172), (223, 80080), (260, 68684), (280, 63778), (286, 62440), (308, 57980), (364, 49060), (385, 46384), (440, 40586), (446, 40040), (455, 39248), (520, 34342), (560, 31889), (572, 31220), (616, 28990), (715, 24976), (728, 24530), (770, 23192), (880, 20293), (892, 20020), (910, 19624), (1001, 17840), (1040, 17171), (1115, 16016), (1144, 15610), (1232, 14495), (1430, 12488), (1456, 12265), (1540, 11596), (1561, 11440), (1784, 10010), (1820, 9812), (2002, 8920), (2230, 8008), (2288, 7805), (2453, 7280), (2860, 6244), (2899, 6160), (3080, 5798), (3122, 5720), (3568, 5005), (3640, 4906), (4004, 4460)]