989381340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{677}}^1$

素因数の和:1068

約数の個数: 144

約数和(自身を含む): 3145117248

約数和(自身を除く): 2155735908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 353, 414, 460, 677, 690, 706, 828, 1035, 1059, 1354, 1380, 1412, 1765, 2031, 2070, 2118, 2708, 3177, 3385, 3530, 4062, 4140, 4236, 5295, 6093, 6354, 6770, 7060, 8119, 8124, 10155, 10590, 12186, 12708, 13540, 15571, 15885, 16238, 20310, 21180, 24357, 24372, 30465, 31142, 31770, 32476, 40595, 40620, 46713, 48714, 60930, 62284, 63540, 73071, 77855, 81190, 93426, 97428, 121785, 121860, 140139, 146142, 155710, 162380, 186852, 233565, 238981, 243570, 280278, 292284, 311420, 365355, 467130, 477962, 487140, 560556, 700695, 716943, 730710, 934260, 955924, 1194905, 1401390, 1433886, 1461420, 2150829, 2389810, 2802780, 2867772, 3584715, 4301658, 4779620, 5496563, 7169430, 8603316, 10754145, 10993126, 14338860, 16489689, 21508290, 21986252, 27482815, 32979378, 43016580, 49469067, 54965630, 65958756, 82448445, 98938134, 109931260, 164896890, 197876268, 247345335, 329793780, 494690670, 989381340]

約数ペア:

[(1, 989381340), (2, 494690670), (3, 329793780), (4, 247345335), (5, 197876268), (6, 164896890), (9, 109931260), (10, 98938134), (12, 82448445), (15, 65958756), (18, 54965630), (20, 49469067), (23, 43016580), (30, 32979378), (36, 27482815), (45, 21986252), (46, 21508290), (60, 16489689), (69, 14338860), (90, 10993126), (92, 10754145), (115, 8603316), (138, 7169430), (180, 5496563), (207, 4779620), (230, 4301658), (276, 3584715), (345, 2867772), (353, 2802780), (414, 2389810), (460, 2150829), (677, 1461420), (690, 1433886), (706, 1401390), (828, 1194905), (1035, 955924), (1059, 934260), (1354, 730710), (1380, 716943), (1412, 700695), (1765, 560556), (2031, 487140), (2070, 477962), (2118, 467130), (2708, 365355), (3177, 311420), (3385, 292284), (3530, 280278), (4062, 243570), (4140, 238981), (4236, 233565), (5295, 186852), (6093, 162380), (6354, 155710), (6770, 146142), (7060, 140139), (8119, 121860), (8124, 121785), (10155, 97428), (10590, 93426), (12186, 81190), (12708, 77855), (13540, 73071), (15571, 63540), (15885, 62284), (16238, 60930), (20310, 48714), (21180, 46713), (24357, 40620), (24372, 40595), (30465, 32476), (31142, 31770)]