218550800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 180

約数和(自身を含む): 588789324

約数和(自身を除く): 370238524

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 53, 61, 65, 80, 100, 104, 106, 122, 130, 169, 200, 208, 212, 244, 260, 265, 305, 325, 338, 400, 424, 488, 520, 530, 610, 650, 676, 689, 793, 845, 848, 976, 1040, 1060, 1220, 1300, 1325, 1352, 1378, 1525, 1586, 1690, 2120, 2440, 2600, 2650, 2704, 2756, 3050, 3172, 3233, 3380, 3445, 3965, 4225, 4240, 4880, 5200, 5300, 5512, 6100, 6344, 6466, 6760, 6890, 7930, 8450, 8957, 10309, 10600, 11024, 12200, 12688, 12932, 13520, 13780, 15860, 16165, 16900, 17225, 17914, 19825, 20618, 21200, 24400, 25864, 27560, 31720, 32330, 33800, 34450, 35828, 39650, 41236, 42029, 44785, 51545, 51728, 55120, 63440, 64660, 67600, 68900, 71656, 79300, 80825, 82472, 84058, 89570, 103090, 129320, 137800, 143312, 158600, 161650, 164944, 168116, 179140, 206180, 210145, 223925, 257725, 258640, 275600, 317200, 323300, 336232, 358280, 412360, 420290, 447850, 515450, 546377, 646600, 672464, 716560, 824720, 840580, 895700, 1030900, 1050725, 1092754, 1293200, 1681160, 1791400, 2061800, 2101450, 2185508, 2731885, 3362320, 3582800, 4123600, 4202900, 4371016, 5463770, 8405800, 8742032, 10927540, 13659425, 16811600, 21855080, 27318850, 43710160, 54637700, 109275400, 218550800]

約数ペア:

[(1, 218550800), (2, 109275400), (4, 54637700), (5, 43710160), (8, 27318850), (10, 21855080), (13, 16811600), (16, 13659425), (20, 10927540), (25, 8742032), (26, 8405800), (40, 5463770), (50, 4371016), (52, 4202900), (53, 4123600), (61, 3582800), (65, 3362320), (80, 2731885), (100, 2185508), (104, 2101450), (106, 2061800), (122, 1791400), (130, 1681160), (169, 1293200), (200, 1092754), (208, 1050725), (212, 1030900), (244, 895700), (260, 840580), (265, 824720), (305, 716560), (325, 672464), (338, 646600), (400, 546377), (424, 515450), (488, 447850), (520, 420290), (530, 412360), (610, 358280), (650, 336232), (676, 323300), (689, 317200), (793, 275600), (845, 258640), (848, 257725), (976, 223925), (1040, 210145), (1060, 206180), (1220, 179140), (1300, 168116), (1325, 164944), (1352, 161650), (1378, 158600), (1525, 143312), (1586, 137800), (1690, 129320), (2120, 103090), (2440, 89570), (2600, 84058), (2650, 82472), (2704, 80825), (2756, 79300), (3050, 71656), (3172, 68900), (3233, 67600), (3380, 64660), (3445, 63440), (3965, 55120), (4225, 51728), (4240, 51545), (4880, 44785), (5200, 42029), (5300, 41236), (5512, 39650), (6100, 35828), (6344, 34450), (6466, 33800), (6760, 32330), (6890, 31720), (7930, 27560), (8450, 25864), (8957, 24400), (10309, 21200), (10600, 20618), (11024, 19825), (12200, 17914), (12688, 17225), (12932, 16900), (13520, 16165), (13780, 15860)]