131506340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 329570304

約数和(自身を除く): 198063964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 157, 193, 217, 310, 314, 386, 434, 620, 628, 772, 785, 868, 965, 1085, 1099, 1351, 1570, 1930, 2170, 2198, 2702, 3140, 3860, 4340, 4396, 4867, 5404, 5495, 5983, 6755, 9734, 10990, 11966, 13510, 19468, 21980, 23932, 24335, 27020, 29915, 30301, 34069, 41881, 48670, 59830, 60602, 68138, 83762, 97340, 119660, 121204, 136276, 151505, 167524, 170345, 209405, 212107, 303010, 340690, 418810, 424214, 606020, 681380, 837620, 848428, 939331, 1060535, 1878662, 2121070, 3757324, 4242140, 4696655, 6575317, 9393310, 13150634, 18786620, 26301268, 32876585, 65753170, 131506340]

約数ペア:

[(1, 131506340), (2, 65753170), (4, 32876585), (5, 26301268), (7, 18786620), (10, 13150634), (14, 9393310), (20, 6575317), (28, 4696655), (31, 4242140), (35, 3757324), (62, 2121070), (70, 1878662), (124, 1060535), (140, 939331), (155, 848428), (157, 837620), (193, 681380), (217, 606020), (310, 424214), (314, 418810), (386, 340690), (434, 303010), (620, 212107), (628, 209405), (772, 170345), (785, 167524), (868, 151505), (965, 136276), (1085, 121204), (1099, 119660), (1351, 97340), (1570, 83762), (1930, 68138), (2170, 60602), (2198, 59830), (2702, 48670), (3140, 41881), (3860, 34069), (4340, 30301), (4396, 29915), (4867, 27020), (5404, 24335), (5495, 23932), (5983, 21980), (6755, 19468), (9734, 13510), (10990, 11966)]