220194880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2381}}^1$

素因数の和:2432

約数の個数: 84

約数和(自身を含む): 557230788

約数和(自身を除く): 337035908

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 1088, 1156, 1360, 1445, 2312, 2381, 2720, 2890, 4624, 4762, 5440, 5780, 9248, 9524, 11560, 11905, 18496, 19048, 23120, 23810, 38096, 40477, 46240, 47620, 76192, 80954, 92480, 95240, 152384, 161908, 190480, 202385, 323816, 380960, 404770, 647632, 688109, 761920, 809540, 1295264, 1376218, 1619080, 2590528, 2752436, 3238160, 3440545, 5504872, 6476320, 6881090, 11009744, 12952640, 13762180, 22019488, 27524360, 44038976, 55048720, 110097440, 220194880]

約数ペア:

[(1, 220194880), (2, 110097440), (4, 55048720), (5, 44038976), (8, 27524360), (10, 22019488), (16, 13762180), (17, 12952640), (20, 11009744), (32, 6881090), (34, 6476320), (40, 5504872), (64, 3440545), (68, 3238160), (80, 2752436), (85, 2590528), (136, 1619080), (160, 1376218), (170, 1295264), (272, 809540), (289, 761920), (320, 688109), (340, 647632), (544, 404770), (578, 380960), (680, 323816), (1088, 202385), (1156, 190480), (1360, 161908), (1445, 152384), (2312, 95240), (2381, 92480), (2720, 80954), (2890, 76192), (4624, 47620), (4762, 46240), (5440, 40477), (5780, 38096), (9248, 23810), (9524, 23120), (11560, 19048), (11905, 18496)]