338355160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 902664000

約数和(自身を除く): 564308840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 149, 220, 260, 286, 298, 397, 440, 520, 572, 596, 715, 745, 794, 1144, 1192, 1430, 1490, 1588, 1639, 1937, 1985, 2860, 2980, 3176, 3278, 3874, 3970, 4367, 5161, 5720, 5960, 6556, 7748, 7940, 8195, 8734, 9685, 10322, 13112, 15496, 15880, 16390, 17468, 19370, 20644, 21307, 21835, 25805, 32780, 34936, 38740, 41288, 42614, 43670, 51610, 56771, 59153, 65560, 77480, 85228, 87340, 103220, 106535, 113542, 118306, 170456, 174680, 206440, 213070, 227084, 236612, 283855, 295765, 426140, 454168, 473224, 567710, 591530, 650683, 768989, 852280, 1135420, 1183060, 1301366, 1537978, 2270840, 2366120, 2602732, 3075956, 3253415, 3844945, 5205464, 6151912, 6506830, 7689890, 8458879, 13013660, 15379780, 16917758, 26027320, 30759560, 33835516, 42294395, 67671032, 84588790, 169177580, 338355160]

約数ペア:

[(1, 338355160), (2, 169177580), (4, 84588790), (5, 67671032), (8, 42294395), (10, 33835516), (11, 30759560), (13, 26027320), (20, 16917758), (22, 15379780), (26, 13013660), (40, 8458879), (44, 7689890), (52, 6506830), (55, 6151912), (65, 5205464), (88, 3844945), (104, 3253415), (110, 3075956), (130, 2602732), (143, 2366120), (149, 2270840), (220, 1537978), (260, 1301366), (286, 1183060), (298, 1135420), (397, 852280), (440, 768989), (520, 650683), (572, 591530), (596, 567710), (715, 473224), (745, 454168), (794, 426140), (1144, 295765), (1192, 283855), (1430, 236612), (1490, 227084), (1588, 213070), (1639, 206440), (1937, 174680), (1985, 170456), (2860, 118306), (2980, 113542), (3176, 106535), (3278, 103220), (3874, 87340), (3970, 85228), (4367, 77480), (5161, 65560), (5720, 59153), (5960, 56771), (6556, 51610), (7748, 43670), (7940, 42614), (8195, 41288), (8734, 38740), (9685, 34936), (10322, 32780), (13112, 25805), (15496, 21835), (15880, 21307), (16390, 20644), (17468, 19370)]