424840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 1108800

約数和(自身を除く): 683960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 65, 76, 86, 95, 104, 130, 152, 172, 190, 215, 247, 260, 344, 380, 430, 494, 520, 559, 760, 817, 860, 988, 1118, 1235, 1634, 1720, 1976, 2236, 2470, 2795, 3268, 4085, 4472, 4940, 5590, 6536, 8170, 9880, 10621, 11180, 16340, 21242, 22360, 32680, 42484, 53105, 84968, 106210, 212420, 424840]

約数ペア:

[(1, 424840), (2, 212420), (4, 106210), (5, 84968), (8, 53105), (10, 42484), (13, 32680), (19, 22360), (20, 21242), (26, 16340), (38, 11180), (40, 10621), (43, 9880), (52, 8170), (65, 6536), (76, 5590), (86, 4940), (95, 4472), (104, 4085), (130, 3268), (152, 2795), (172, 2470), (190, 2236), (215, 1976), (247, 1720), (260, 1634), (344, 1235), (380, 1118), (430, 988), (494, 860), (520, 817), (559, 760)]