49481320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 136857600

約数和(自身を除く): 87376280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 131, 133, 140, 142, 152, 190, 262, 266, 280, 284, 355, 380, 497, 524, 532, 568, 655, 665, 710, 760, 917, 994, 1048, 1064, 1310, 1330, 1349, 1420, 1834, 1988, 2485, 2489, 2620, 2660, 2698, 2840, 3668, 3976, 4585, 4970, 4978, 5240, 5320, 5396, 6745, 7336, 9170, 9301, 9443, 9940, 9956, 10792, 12445, 13490, 17423, 18340, 18602, 18886, 19880, 19912, 24890, 26980, 34846, 36680, 37204, 37772, 46505, 47215, 49780, 53960, 65107, 69692, 74408, 75544, 87115, 93010, 94430, 99560, 130214, 139384, 174230, 176719, 186020, 188860, 260428, 325535, 348460, 353438, 372040, 377720, 520856, 651070, 696920, 706876, 883595, 1237033, 1302140, 1413752, 1767190, 2474066, 2604280, 3534380, 4948132, 6185165, 7068760, 9896264, 12370330, 24740660, 49481320]

約数ペア:

[(1, 49481320), (2, 24740660), (4, 12370330), (5, 9896264), (7, 7068760), (8, 6185165), (10, 4948132), (14, 3534380), (19, 2604280), (20, 2474066), (28, 1767190), (35, 1413752), (38, 1302140), (40, 1237033), (56, 883595), (70, 706876), (71, 696920), (76, 651070), (95, 520856), (131, 377720), (133, 372040), (140, 353438), (142, 348460), (152, 325535), (190, 260428), (262, 188860), (266, 186020), (280, 176719), (284, 174230), (355, 139384), (380, 130214), (497, 99560), (524, 94430), (532, 93010), (568, 87115), (655, 75544), (665, 74408), (710, 69692), (760, 65107), (917, 53960), (994, 49780), (1048, 47215), (1064, 46505), (1310, 37772), (1330, 37204), (1349, 36680), (1420, 34846), (1834, 26980), (1988, 24890), (2485, 19912), (2489, 19880), (2620, 18886), (2660, 18602), (2698, 18340), (2840, 17423), (3668, 13490), (3976, 12445), (4585, 10792), (4970, 9956), (4978, 9940), (5240, 9443), (5320, 9301), (5396, 9170), (6745, 7336)]