212920240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12043}}^1$

素因数の和:12086

約数の個数: 80

約数和(自身を含む): 564526368

約数和(自身を除く): 351606128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 12043, 17680, 24086, 48172, 60215, 96344, 120430, 156559, 192688, 204731, 240860, 313118, 409462, 481720, 626236, 782795, 818924, 963440, 1023655, 1252472, 1565590, 1637848, 2047310, 2504944, 2661503, 3131180, 3275696, 4094620, 5323006, 6262360, 8189240, 10646012, 12524720, 13307515, 16378480, 21292024, 26615030, 42584048, 53230060, 106460120, 212920240]

約数ペア:

[(1, 212920240), (2, 106460120), (4, 53230060), (5, 42584048), (8, 26615030), (10, 21292024), (13, 16378480), (16, 13307515), (17, 12524720), (20, 10646012), (26, 8189240), (34, 6262360), (40, 5323006), (52, 4094620), (65, 3275696), (68, 3131180), (80, 2661503), (85, 2504944), (104, 2047310), (130, 1637848), (136, 1565590), (170, 1252472), (208, 1023655), (221, 963440), (260, 818924), (272, 782795), (340, 626236), (442, 481720), (520, 409462), (680, 313118), (884, 240860), (1040, 204731), (1105, 192688), (1360, 156559), (1768, 120430), (2210, 96344), (3536, 60215), (4420, 48172), (8840, 24086), (12043, 17680)]