189336680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 479969280

約数和(自身を除く): 290632600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 61, 65, 94, 104, 122, 127, 130, 188, 235, 244, 254, 260, 305, 376, 470, 488, 508, 520, 610, 611, 635, 793, 940, 1016, 1220, 1222, 1270, 1586, 1651, 1880, 2440, 2444, 2540, 2867, 3055, 3172, 3302, 3965, 4888, 5080, 5734, 5969, 6110, 6344, 6604, 7747, 7930, 8255, 11468, 11938, 12220, 13208, 14335, 15494, 15860, 16510, 22936, 23876, 24440, 28670, 29845, 30988, 31720, 33020, 37271, 38735, 47752, 57340, 59690, 61976, 66040, 74542, 77470, 77597, 100711, 114680, 119380, 149084, 154940, 155194, 186355, 201422, 238760, 298168, 309880, 310388, 364109, 372710, 387985, 402844, 503555, 620776, 728218, 745420, 775970, 805688, 1007110, 1456436, 1490840, 1551940, 1820545, 2014220, 2912872, 3103880, 3641090, 4028440, 4733417, 7282180, 9466834, 14564360, 18933668, 23667085, 37867336, 47334170, 94668340, 189336680]

約数ペア:

[(1, 189336680), (2, 94668340), (4, 47334170), (5, 37867336), (8, 23667085), (10, 18933668), (13, 14564360), (20, 9466834), (26, 7282180), (40, 4733417), (47, 4028440), (52, 3641090), (61, 3103880), (65, 2912872), (94, 2014220), (104, 1820545), (122, 1551940), (127, 1490840), (130, 1456436), (188, 1007110), (235, 805688), (244, 775970), (254, 745420), (260, 728218), (305, 620776), (376, 503555), (470, 402844), (488, 387985), (508, 372710), (520, 364109), (610, 310388), (611, 309880), (635, 298168), (793, 238760), (940, 201422), (1016, 186355), (1220, 155194), (1222, 154940), (1270, 149084), (1586, 119380), (1651, 114680), (1880, 100711), (2440, 77597), (2444, 77470), (2540, 74542), (2867, 66040), (3055, 61976), (3172, 59690), (3302, 57340), (3965, 47752), (4888, 38735), (5080, 37271), (5734, 33020), (5969, 31720), (6110, 30988), (6344, 29845), (6604, 28670), (7747, 24440), (7930, 23876), (8255, 22936), (11468, 16510), (11938, 15860), (12220, 15494), (13208, 14335)]