31153540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 78019200

約数和(自身を除く): 46865660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 257, 290, 319, 380, 418, 514, 551, 580, 638, 836, 1028, 1045, 1102, 1276, 1285, 1595, 2090, 2204, 2570, 2755, 2827, 3190, 4180, 4883, 5140, 5510, 5654, 6061, 6380, 7453, 9766, 11020, 11308, 12122, 14135, 14906, 19532, 24244, 24415, 28270, 29812, 30305, 37265, 48830, 53713, 56540, 60610, 74530, 81983, 97660, 107426, 121220, 141607, 149060, 163966, 214852, 268565, 283214, 327932, 409915, 537130, 566428, 708035, 819830, 1074260, 1416070, 1557677, 1639660, 2832140, 3115354, 6230708, 7788385, 15576770, 31153540]

約数ペア:

[(1, 31153540), (2, 15576770), (4, 7788385), (5, 6230708), (10, 3115354), (11, 2832140), (19, 1639660), (20, 1557677), (22, 1416070), (29, 1074260), (38, 819830), (44, 708035), (55, 566428), (58, 537130), (76, 409915), (95, 327932), (110, 283214), (116, 268565), (145, 214852), (190, 163966), (209, 149060), (220, 141607), (257, 121220), (290, 107426), (319, 97660), (380, 81983), (418, 74530), (514, 60610), (551, 56540), (580, 53713), (638, 48830), (836, 37265), (1028, 30305), (1045, 29812), (1102, 28270), (1276, 24415), (1285, 24244), (1595, 19532), (2090, 14906), (2204, 14135), (2570, 12122), (2755, 11308), (2827, 11020), (3190, 9766), (4180, 7453), (4883, 6380), (5140, 6061), (5510, 5654)]