199911312

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2421

約数の個数: 120

約数和(自身を含む): 608175360

約数和(自身を除く): 408264048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2357, 2736, 3534, 4464, 4712, 4714, 5301, 7068, 7071, 9424, 9428, 10602, 14136, 14142, 18856, 21204, 21213, 28272, 28284, 37712, 42408, 42426, 44783, 56568, 73067, 84816, 84852, 89566, 113136, 134349, 146134, 169704, 179132, 219201, 268698, 292268, 339408, 358264, 403047, 438402, 537396, 584536, 657603, 716528, 806094, 876804, 1074792, 1169072, 1315206, 1388273, 1612188, 1753608, 2149584, 2630412, 2776546, 3224376, 3507216, 4164819, 5260824, 5553092, 6448752, 8329638, 10521648, 11106184, 12494457, 16659276, 22212368, 24988914, 33318552, 49977828, 66637104, 99955656, 199911312]

約数ペア:

[(1, 199911312), (2, 99955656), (3, 66637104), (4, 49977828), (6, 33318552), (8, 24988914), (9, 22212368), (12, 16659276), (16, 12494457), (18, 11106184), (19, 10521648), (24, 8329638), (31, 6448752), (36, 5553092), (38, 5260824), (48, 4164819), (57, 3507216), (62, 3224376), (72, 2776546), (76, 2630412), (93, 2149584), (114, 1753608), (124, 1612188), (144, 1388273), (152, 1315206), (171, 1169072), (186, 1074792), (228, 876804), (248, 806094), (279, 716528), (304, 657603), (342, 584536), (372, 537396), (456, 438402), (496, 403047), (558, 358264), (589, 339408), (684, 292268), (744, 268698), (912, 219201), (1116, 179132), (1178, 169704), (1368, 146134), (1488, 134349), (1767, 113136), (2232, 89566), (2356, 84852), (2357, 84816), (2736, 73067), (3534, 56568), (4464, 44783), (4712, 42426), (4714, 42408), (5301, 37712), (7068, 28284), (7071, 28272), (9424, 21213), (9428, 21204), (10602, 18856), (14136, 14142)]