898212040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{16871}}^1$

素因数の和:16915

約数の個数: 64

約数和(自身を含む): 2223054720

約数和(自身を除く): 1324842680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2420, 2662, 4840, 5324, 6655, 10648, 13310, 16871, 26620, 33742, 53240, 67484, 84355, 134968, 168710, 185581, 337420, 371162, 674840, 742324, 927905, 1484648, 1855810, 2041391, 3711620, 4082782, 7423240, 8165564, 10206955, 16331128, 20413910, 22455301, 40827820, 44910602, 81655640, 89821204, 112276505, 179642408, 224553010, 449106020, 898212040]

約数ペア:

[(1, 898212040), (2, 449106020), (4, 224553010), (5, 179642408), (8, 112276505), (10, 89821204), (11, 81655640), (20, 44910602), (22, 40827820), (40, 22455301), (44, 20413910), (55, 16331128), (88, 10206955), (110, 8165564), (121, 7423240), (220, 4082782), (242, 3711620), (440, 2041391), (484, 1855810), (605, 1484648), (968, 927905), (1210, 742324), (1331, 674840), (2420, 371162), (2662, 337420), (4840, 185581), (5324, 168710), (6655, 134968), (10648, 84355), (13310, 67484), (16871, 53240), (26620, 33742)]