212945200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 120

約数和(自身を含む): 569158016

約数和(自身を除く): 356212816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1321, 1550, 1612, 2015, 2480, 2600, 2642, 3100, 3224, 4030, 5200, 5284, 6200, 6448, 6605, 8060, 10075, 10568, 12400, 13210, 16120, 17173, 20150, 21136, 26420, 32240, 33025, 34346, 40300, 40951, 52840, 66050, 68692, 80600, 81902, 85865, 105680, 132100, 137384, 161200, 163804, 171730, 204755, 264200, 274768, 327608, 343460, 409510, 429325, 528400, 532363, 655216, 686920, 819020, 858650, 1023775, 1064726, 1373840, 1638040, 1717300, 2047550, 2129452, 2661815, 3276080, 3434600, 4095100, 4258904, 5323630, 6869200, 8190200, 8517808, 10647260, 13309075, 16380400, 21294520, 26618150, 42589040, 53236300, 106472600, 212945200]

約数ペア:

[(1, 212945200), (2, 106472600), (4, 53236300), (5, 42589040), (8, 26618150), (10, 21294520), (13, 16380400), (16, 13309075), (20, 10647260), (25, 8517808), (26, 8190200), (31, 6869200), (40, 5323630), (50, 4258904), (52, 4095100), (62, 3434600), (65, 3276080), (80, 2661815), (100, 2129452), (104, 2047550), (124, 1717300), (130, 1638040), (155, 1373840), (200, 1064726), (208, 1023775), (248, 858650), (260, 819020), (310, 686920), (325, 655216), (400, 532363), (403, 528400), (496, 429325), (520, 409510), (620, 343460), (650, 327608), (775, 274768), (806, 264200), (1040, 204755), (1240, 171730), (1300, 163804), (1321, 161200), (1550, 137384), (1612, 132100), (2015, 105680), (2480, 85865), (2600, 81902), (2642, 80600), (3100, 68692), (3224, 66050), (4030, 52840), (5200, 40951), (5284, 40300), (6200, 34346), (6448, 33025), (6605, 32240), (8060, 26420), (10075, 21136), (10568, 20150), (12400, 17173), (13210, 16120)]