209749968

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2537

約数の個数: 120

約数和(自身を含む): 638094080

約数和(自身を除く): 428344112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2473, 2736, 3534, 4464, 4712, 4946, 5301, 7068, 7419, 9424, 9892, 10602, 14136, 14838, 19784, 21204, 22257, 28272, 29676, 39568, 42408, 44514, 46987, 59352, 76663, 84816, 89028, 93974, 118704, 140961, 153326, 178056, 187948, 229989, 281922, 306652, 356112, 375896, 422883, 459978, 563844, 613304, 689967, 751792, 845766, 919956, 1127688, 1226608, 1379934, 1456597, 1691532, 1839912, 2255376, 2759868, 2913194, 3383064, 3679824, 4369791, 5519736, 5826388, 6766128, 8739582, 11039472, 11652776, 13109373, 17479164, 23305552, 26218746, 34958328, 52437492, 69916656, 104874984, 209749968]

約数ペア:

[(1, 209749968), (2, 104874984), (3, 69916656), (4, 52437492), (6, 34958328), (8, 26218746), (9, 23305552), (12, 17479164), (16, 13109373), (18, 11652776), (19, 11039472), (24, 8739582), (31, 6766128), (36, 5826388), (38, 5519736), (48, 4369791), (57, 3679824), (62, 3383064), (72, 2913194), (76, 2759868), (93, 2255376), (114, 1839912), (124, 1691532), (144, 1456597), (152, 1379934), (171, 1226608), (186, 1127688), (228, 919956), (248, 845766), (279, 751792), (304, 689967), (342, 613304), (372, 563844), (456, 459978), (496, 422883), (558, 375896), (589, 356112), (684, 306652), (744, 281922), (912, 229989), (1116, 187948), (1178, 178056), (1368, 153326), (1488, 140961), (1767, 118704), (2232, 93974), (2356, 89028), (2473, 84816), (2736, 76663), (3534, 59352), (4464, 46987), (4712, 44514), (4946, 42408), (5301, 39568), (7068, 29676), (7419, 28272), (9424, 22257), (9892, 21204), (10602, 19784), (14136, 14838)]