204725488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 451399680

約数和(自身を除く): 246674192

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 157, 176, 239, 248, 314, 341, 478, 496, 628, 682, 956, 1256, 1364, 1727, 1912, 2512, 2629, 2728, 3454, 3824, 4867, 5258, 5456, 6908, 7409, 9734, 10516, 13816, 14818, 19468, 21032, 27632, 29636, 37523, 38936, 42064, 53537, 59272, 75046, 77872, 81499, 107074, 118544, 150092, 162998, 214148, 300184, 325996, 412753, 428296, 600368, 651992, 825506, 856592, 1163213, 1303984, 1651012, 2326426, 3302024, 4652852, 6604048, 9305704, 12795343, 18611408, 25590686, 51181372, 102362744, 204725488]

約数ペア:

[(1, 204725488), (2, 102362744), (4, 51181372), (8, 25590686), (11, 18611408), (16, 12795343), (22, 9305704), (31, 6604048), (44, 4652852), (62, 3302024), (88, 2326426), (124, 1651012), (157, 1303984), (176, 1163213), (239, 856592), (248, 825506), (314, 651992), (341, 600368), (478, 428296), (496, 412753), (628, 325996), (682, 300184), (956, 214148), (1256, 162998), (1364, 150092), (1727, 118544), (1912, 107074), (2512, 81499), (2629, 77872), (2728, 75046), (3454, 59272), (3824, 53537), (4867, 42064), (5258, 38936), (5456, 37523), (6908, 29636), (7409, 27632), (9734, 21032), (10516, 19468), (13816, 14818)]