244642480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 617384592

約数和(自身を除く): 372742112

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 197, 215, 304, 344, 361, 380, 394, 430, 688, 722, 760, 788, 817, 860, 985, 1444, 1520, 1576, 1634, 1720, 1805, 1970, 2888, 3152, 3268, 3440, 3610, 3743, 3940, 4085, 5776, 6536, 7220, 7486, 7880, 8170, 8471, 13072, 14440, 14972, 15523, 15760, 16340, 16942, 18715, 28880, 29944, 31046, 32680, 33884, 37430, 42355, 59888, 62092, 65360, 67768, 71117, 74860, 77615, 84710, 124184, 135536, 142234, 149720, 155230, 160949, 169420, 248368, 284468, 299440, 310460, 321898, 338840, 355585, 568936, 620920, 643796, 677680, 711170, 804745, 1137872, 1241840, 1287592, 1422340, 1609490, 2575184, 2844680, 3058031, 3218980, 5689360, 6116062, 6437960, 12232124, 12875920, 15290155, 24464248, 30580310, 48928496, 61160620, 122321240, 244642480]

約数ペア:

[(1, 244642480), (2, 122321240), (4, 61160620), (5, 48928496), (8, 30580310), (10, 24464248), (16, 15290155), (19, 12875920), (20, 12232124), (38, 6437960), (40, 6116062), (43, 5689360), (76, 3218980), (80, 3058031), (86, 2844680), (95, 2575184), (152, 1609490), (172, 1422340), (190, 1287592), (197, 1241840), (215, 1137872), (304, 804745), (344, 711170), (361, 677680), (380, 643796), (394, 620920), (430, 568936), (688, 355585), (722, 338840), (760, 321898), (788, 310460), (817, 299440), (860, 284468), (985, 248368), (1444, 169420), (1520, 160949), (1576, 155230), (1634, 149720), (1720, 142234), (1805, 135536), (1970, 124184), (2888, 84710), (3152, 77615), (3268, 74860), (3440, 71117), (3610, 67768), (3743, 65360), (3940, 62092), (4085, 59888), (5776, 42355), (6536, 37430), (7220, 33884), (7486, 32680), (7880, 31046), (8170, 29944), (8471, 28880), (13072, 18715), (14440, 16942), (14972, 16340), (15523, 15760)]