199675580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4243}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 454175904

約数和(自身を除く): 254500324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4243, 4706, 8486, 9412, 11765, 16972, 21215, 23530, 42430, 47060, 55159, 84860, 110318, 220636, 275795, 551590, 767983, 1103180, 1535966, 3071932, 3839915, 7679830, 9983779, 15359660, 19967558, 39935116, 49918895, 99837790, 199675580]

約数ペア:

[(1, 199675580), (2, 99837790), (4, 49918895), (5, 39935116), (10, 19967558), (13, 15359660), (20, 9983779), (26, 7679830), (52, 3839915), (65, 3071932), (130, 1535966), (181, 1103180), (260, 767983), (362, 551590), (724, 275795), (905, 220636), (1810, 110318), (2353, 84860), (3620, 55159), (4243, 47060), (4706, 42430), (8486, 23530), (9412, 21215), (11765, 16972)]