49514920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 139991040

約数和(自身を除く): 90476120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 223, 244, 260, 280, 305, 364, 427, 446, 455, 488, 520, 610, 728, 793, 854, 892, 910, 1115, 1220, 1561, 1586, 1708, 1784, 1820, 2135, 2230, 2440, 2899, 3122, 3172, 3416, 3640, 3965, 4270, 4460, 5551, 5798, 6244, 6344, 7805, 7930, 8540, 8920, 11102, 11596, 12488, 13603, 14495, 15610, 15860, 17080, 20293, 22204, 23192, 27206, 27755, 28990, 31220, 31720, 40586, 44408, 54412, 55510, 57980, 62440, 68015, 81172, 95221, 101465, 108824, 111020, 115960, 136030, 162344, 176839, 190442, 202930, 222040, 272060, 353678, 380884, 405860, 476105, 544120, 707356, 761768, 811720, 884195, 952210, 1237873, 1414712, 1768390, 1904420, 2475746, 3536780, 3808840, 4951492, 6189365, 7073560, 9902984, 12378730, 24757460, 49514920]

約数ペア:

[(1, 49514920), (2, 24757460), (4, 12378730), (5, 9902984), (7, 7073560), (8, 6189365), (10, 4951492), (13, 3808840), (14, 3536780), (20, 2475746), (26, 1904420), (28, 1768390), (35, 1414712), (40, 1237873), (52, 952210), (56, 884195), (61, 811720), (65, 761768), (70, 707356), (91, 544120), (104, 476105), (122, 405860), (130, 380884), (140, 353678), (182, 272060), (223, 222040), (244, 202930), (260, 190442), (280, 176839), (305, 162344), (364, 136030), (427, 115960), (446, 111020), (455, 108824), (488, 101465), (520, 95221), (610, 81172), (728, 68015), (793, 62440), (854, 57980), (892, 55510), (910, 54412), (1115, 44408), (1220, 40586), (1561, 31720), (1586, 31220), (1708, 28990), (1784, 27755), (1820, 27206), (2135, 23192), (2230, 22204), (2440, 20293), (2899, 17080), (3122, 15860), (3172, 15610), (3416, 14495), (3640, 13603), (3965, 12488), (4270, 11596), (4460, 11102), (5551, 8920), (5798, 8540), (6244, 7930), (6344, 7805)]