316116920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 851558400

約数和(自身を除く): 535441480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 310, 316, 395, 434, 461, 553, 620, 632, 790, 868, 922, 1085, 1106, 1240, 1580, 1736, 1844, 2170, 2212, 2305, 2449, 2765, 3160, 3227, 3688, 4340, 4424, 4610, 4898, 5530, 6454, 8680, 9220, 9796, 11060, 12245, 12908, 14291, 16135, 17143, 18440, 19592, 22120, 24490, 25816, 28582, 32270, 34286, 36419, 48980, 57164, 64540, 68572, 71455, 72838, 85715, 97960, 100037, 114328, 129080, 137144, 142910, 145676, 171430, 182095, 200074, 254933, 285820, 291352, 342860, 364190, 400148, 500185, 509866, 571640, 685720, 728380, 800296, 1000370, 1019732, 1128989, 1274665, 1456760, 2000740, 2039464, 2257978, 2549330, 4001480, 4515956, 5098660, 5644945, 7902923, 9031912, 10197320, 11289890, 15805846, 22579780, 31611692, 39514615, 45159560, 63223384, 79029230, 158058460, 316116920]

約数ペア:

[(1, 316116920), (2, 158058460), (4, 79029230), (5, 63223384), (7, 45159560), (8, 39514615), (10, 31611692), (14, 22579780), (20, 15805846), (28, 11289890), (31, 10197320), (35, 9031912), (40, 7902923), (56, 5644945), (62, 5098660), (70, 4515956), (79, 4001480), (124, 2549330), (140, 2257978), (155, 2039464), (158, 2000740), (217, 1456760), (248, 1274665), (280, 1128989), (310, 1019732), (316, 1000370), (395, 800296), (434, 728380), (461, 685720), (553, 571640), (620, 509866), (632, 500185), (790, 400148), (868, 364190), (922, 342860), (1085, 291352), (1106, 285820), (1240, 254933), (1580, 200074), (1736, 182095), (1844, 171430), (2170, 145676), (2212, 142910), (2305, 137144), (2449, 129080), (2765, 114328), (3160, 100037), (3227, 97960), (3688, 85715), (4340, 72838), (4424, 71455), (4610, 68572), (4898, 64540), (5530, 57164), (6454, 48980), (8680, 36419), (9220, 34286), (9796, 32270), (11060, 28582), (12245, 25816), (12908, 24490), (14291, 22120), (16135, 19592), (17143, 18440)]