28033850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 61871040

約数和(自身を除く): 33837190

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 43, 50, 59, 65, 85, 86, 118, 130, 170, 215, 221, 295, 325, 425, 430, 442, 559, 590, 650, 731, 767, 850, 1003, 1075, 1105, 1118, 1462, 1475, 1534, 2006, 2150, 2210, 2537, 2795, 2950, 3655, 3835, 5015, 5074, 5525, 5590, 7310, 7670, 9503, 10030, 11050, 12685, 13039, 13975, 18275, 19006, 19175, 25075, 25370, 26078, 27950, 32981, 36550, 38350, 43129, 47515, 50150, 63425, 65195, 65962, 86258, 95030, 126850, 130390, 164905, 215645, 237575, 325975, 329810, 431290, 475150, 560677, 651950, 824525, 1078225, 1121354, 1649050, 2156450, 2803385, 5606770, 14016925, 28033850]

約数ペア:

[(1, 28033850), (2, 14016925), (5, 5606770), (10, 2803385), (13, 2156450), (17, 1649050), (25, 1121354), (26, 1078225), (34, 824525), (43, 651950), (50, 560677), (59, 475150), (65, 431290), (85, 329810), (86, 325975), (118, 237575), (130, 215645), (170, 164905), (215, 130390), (221, 126850), (295, 95030), (325, 86258), (425, 65962), (430, 65195), (442, 63425), (559, 50150), (590, 47515), (650, 43129), (731, 38350), (767, 36550), (850, 32981), (1003, 27950), (1075, 26078), (1105, 25370), (1118, 25075), (1462, 19175), (1475, 19006), (1534, 18275), (2006, 13975), (2150, 13039), (2210, 12685), (2537, 11050), (2795, 10030), (2950, 9503), (3655, 7670), (3835, 7310), (5015, 5590), (5074, 5525)]