131948180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10393

約数の個数: 72

約数和(自身を含む): 347158728

約数和(自身を除く): 215210548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 10357, 12740, 20714, 41428, 51785, 72499, 103570, 134641, 144998, 207140, 269282, 289996, 362495, 507493, 538564, 673205, 724990, 942487, 1014986, 1346410, 1449980, 1884974, 2029972, 2537465, 2692820, 3769948, 4712435, 5074930, 6597409, 9424870, 10149860, 13194818, 18849740, 26389636, 32987045, 65974090, 131948180]

約数ペア:

[(1, 131948180), (2, 65974090), (4, 32987045), (5, 26389636), (7, 18849740), (10, 13194818), (13, 10149860), (14, 9424870), (20, 6597409), (26, 5074930), (28, 4712435), (35, 3769948), (49, 2692820), (52, 2537465), (65, 2029972), (70, 1884974), (91, 1449980), (98, 1346410), (130, 1014986), (140, 942487), (182, 724990), (196, 673205), (245, 538564), (260, 507493), (364, 362495), (455, 289996), (490, 269282), (637, 207140), (910, 144998), (980, 134641), (1274, 103570), (1820, 72499), (2548, 51785), (3185, 41428), (6370, 20714), (10357, 12740)]