248601080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 694310400

約数和(自身を除く): 445709320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 163, 182, 260, 280, 326, 364, 419, 455, 520, 652, 728, 815, 838, 910, 1141, 1304, 1630, 1676, 1820, 2095, 2119, 2282, 2933, 3260, 3352, 3640, 4190, 4238, 4564, 5447, 5705, 5866, 6520, 8380, 8476, 9128, 10595, 10894, 11410, 11732, 14665, 14833, 16760, 16952, 21190, 21788, 22820, 23464, 27235, 29330, 29666, 38129, 42380, 43576, 45640, 54470, 58660, 59332, 68297, 74165, 76258, 84760, 108940, 117320, 118664, 136594, 148330, 152516, 190645, 217880, 273188, 296660, 305032, 341485, 381290, 478079, 546376, 593320, 682970, 762580, 887861, 956158, 1365940, 1525160, 1775722, 1912316, 2390395, 2731880, 3551444, 3824632, 4439305, 4780790, 6215027, 7102888, 8878610, 9561580, 12430054, 17757220, 19123160, 24860108, 31075135, 35514440, 49720216, 62150270, 124300540, 248601080]

約数ペア:

[(1, 248601080), (2, 124300540), (4, 62150270), (5, 49720216), (7, 35514440), (8, 31075135), (10, 24860108), (13, 19123160), (14, 17757220), (20, 12430054), (26, 9561580), (28, 8878610), (35, 7102888), (40, 6215027), (52, 4780790), (56, 4439305), (65, 3824632), (70, 3551444), (91, 2731880), (104, 2390395), (130, 1912316), (140, 1775722), (163, 1525160), (182, 1365940), (260, 956158), (280, 887861), (326, 762580), (364, 682970), (419, 593320), (455, 546376), (520, 478079), (652, 381290), (728, 341485), (815, 305032), (838, 296660), (910, 273188), (1141, 217880), (1304, 190645), (1630, 152516), (1676, 148330), (1820, 136594), (2095, 118664), (2119, 117320), (2282, 108940), (2933, 84760), (3260, 76258), (3352, 74165), (3640, 68297), (4190, 59332), (4238, 58660), (4564, 54470), (5447, 45640), (5705, 43576), (5866, 42380), (6520, 38129), (8380, 29666), (8476, 29330), (9128, 27235), (10595, 23464), (10894, 22820), (11410, 21788), (11732, 21190), (14665, 16952), (14833, 16760)]