79000400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 205177344

約数和(自身を除く): 126176944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 277, 310, 368, 400, 460, 496, 554, 575, 620, 713, 775, 920, 1108, 1150, 1240, 1385, 1426, 1550, 1840, 2216, 2300, 2480, 2770, 2852, 3100, 3565, 4432, 4600, 5540, 5704, 6200, 6371, 6925, 7130, 8587, 9200, 11080, 11408, 12400, 12742, 13850, 14260, 17174, 17825, 22160, 25484, 27700, 28520, 31855, 34348, 35650, 42935, 50968, 55400, 57040, 63710, 68696, 71300, 85870, 101936, 110800, 127420, 137392, 142600, 159275, 171740, 197501, 214675, 254840, 285200, 318550, 343480, 395002, 429350, 509680, 637100, 686960, 790004, 858700, 987505, 1274200, 1580008, 1717400, 1975010, 2548400, 3160016, 3434800, 3950020, 4937525, 7900040, 9875050, 15800080, 19750100, 39500200, 79000400]

約数ペア:

[(1, 79000400), (2, 39500200), (4, 19750100), (5, 15800080), (8, 9875050), (10, 7900040), (16, 4937525), (20, 3950020), (23, 3434800), (25, 3160016), (31, 2548400), (40, 1975010), (46, 1717400), (50, 1580008), (62, 1274200), (80, 987505), (92, 858700), (100, 790004), (115, 686960), (124, 637100), (155, 509680), (184, 429350), (200, 395002), (230, 343480), (248, 318550), (277, 285200), (310, 254840), (368, 214675), (400, 197501), (460, 171740), (496, 159275), (554, 142600), (575, 137392), (620, 127420), (713, 110800), (775, 101936), (920, 85870), (1108, 71300), (1150, 68696), (1240, 63710), (1385, 57040), (1426, 55400), (1550, 50968), (1840, 42935), (2216, 35650), (2300, 34348), (2480, 31855), (2770, 28520), (2852, 27700), (3100, 25484), (3565, 22160), (4432, 17825), (4600, 17174), (5540, 14260), (5704, 13850), (6200, 12742), (6371, 12400), (6925, 11408), (7130, 11080), (8587, 9200)]