231688360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 531878400

約数和(自身を除く): 300190040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 151, 178, 302, 356, 431, 445, 604, 712, 755, 862, 890, 1208, 1510, 1724, 1780, 2155, 3020, 3448, 3560, 4310, 6040, 8620, 13439, 17240, 26878, 38359, 53756, 65081, 67195, 76718, 107512, 130162, 134390, 153436, 191795, 260324, 268780, 306872, 325405, 383590, 520648, 537560, 650810, 767180, 1301620, 1534360, 2603240, 5792209, 11584418, 23168836, 28961045, 46337672, 57922090, 115844180, 231688360]

約数ペア:

[(1, 231688360), (2, 115844180), (4, 57922090), (5, 46337672), (8, 28961045), (10, 23168836), (20, 11584418), (40, 5792209), (89, 2603240), (151, 1534360), (178, 1301620), (302, 767180), (356, 650810), (431, 537560), (445, 520648), (604, 383590), (712, 325405), (755, 306872), (862, 268780), (890, 260324), (1208, 191795), (1510, 153436), (1724, 134390), (1780, 130162), (2155, 107512), (3020, 76718), (3448, 67195), (3560, 65081), (4310, 53756), (6040, 38359), (8620, 26878), (13439, 17240)]