230505940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^2\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 562302720

約数和(自身を除く): 331796780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 239, 332, 415, 478, 581, 830, 956, 1162, 1195, 1660, 1673, 2324, 2390, 2905, 3346, 4780, 5810, 6692, 6889, 8365, 11620, 13778, 16730, 19837, 27556, 33460, 34445, 39674, 48223, 68890, 79348, 96446, 99185, 137780, 138859, 192892, 198370, 241115, 277718, 396740, 482230, 555436, 694295, 964460, 1388590, 1646471, 2777180, 3292942, 6585884, 8232355, 11525297, 16464710, 23050594, 32929420, 46101188, 57626485, 115252970, 230505940]

約数ペア:

[(1, 230505940), (2, 115252970), (4, 57626485), (5, 46101188), (7, 32929420), (10, 23050594), (14, 16464710), (20, 11525297), (28, 8232355), (35, 6585884), (70, 3292942), (83, 2777180), (140, 1646471), (166, 1388590), (239, 964460), (332, 694295), (415, 555436), (478, 482230), (581, 396740), (830, 277718), (956, 241115), (1162, 198370), (1195, 192892), (1660, 138859), (1673, 137780), (2324, 99185), (2390, 96446), (2905, 79348), (3346, 68890), (4780, 48223), (5810, 39674), (6692, 34445), (6889, 33460), (8365, 27556), (11620, 19837), (13778, 16730)]