294141640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 748984320

約数和(自身を除く): 454842680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 71, 104, 124, 130, 142, 155, 248, 257, 260, 284, 310, 355, 403, 514, 520, 568, 620, 710, 806, 923, 1028, 1240, 1285, 1420, 1612, 1846, 2015, 2056, 2201, 2570, 2840, 3224, 3341, 3692, 4030, 4402, 4615, 5140, 6682, 7384, 7967, 8060, 8804, 9230, 10280, 11005, 13364, 15934, 16120, 16705, 17608, 18247, 18460, 22010, 26728, 28613, 31868, 33410, 36494, 36920, 39835, 44020, 57226, 63736, 66820, 72988, 79670, 88040, 91235, 103571, 114452, 133640, 143065, 145976, 159340, 182470, 207142, 228904, 237211, 286130, 318680, 364940, 414284, 474422, 517855, 565657, 572260, 729880, 828568, 948844, 1035710, 1131314, 1144520, 1186055, 1897688, 2071420, 2262628, 2372110, 2828285, 4142840, 4525256, 4744220, 5656570, 7353541, 9488440, 11313140, 14707082, 22626280, 29414164, 36767705, 58828328, 73535410, 147070820, 294141640]

約数ペア:

[(1, 294141640), (2, 147070820), (4, 73535410), (5, 58828328), (8, 36767705), (10, 29414164), (13, 22626280), (20, 14707082), (26, 11313140), (31, 9488440), (40, 7353541), (52, 5656570), (62, 4744220), (65, 4525256), (71, 4142840), (104, 2828285), (124, 2372110), (130, 2262628), (142, 2071420), (155, 1897688), (248, 1186055), (257, 1144520), (260, 1131314), (284, 1035710), (310, 948844), (355, 828568), (403, 729880), (514, 572260), (520, 565657), (568, 517855), (620, 474422), (710, 414284), (806, 364940), (923, 318680), (1028, 286130), (1240, 237211), (1285, 228904), (1420, 207142), (1612, 182470), (1846, 159340), (2015, 145976), (2056, 143065), (2201, 133640), (2570, 114452), (2840, 103571), (3224, 91235), (3341, 88040), (3692, 79670), (4030, 72988), (4402, 66820), (4615, 63736), (5140, 57226), (6682, 44020), (7384, 39835), (7967, 36920), (8060, 36494), (8804, 33410), (9230, 31868), (10280, 28613), (11005, 26728), (13364, 22010), (15934, 18460), (16120, 18247), (16705, 17608)]