898483340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{2221}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 1915008480

約数和(自身を除く): 1016525140

約数列:

[1, 2, 4, 5, 10, 20, 113, 179, 226, 358, 452, 565, 716, 895, 1130, 1790, 2221, 2260, 3580, 4442, 8884, 11105, 20227, 22210, 40454, 44420, 80908, 101135, 202270, 250973, 397559, 404540, 501946, 795118, 1003892, 1254865, 1590236, 1987795, 2509730, 3975590, 5019460, 7951180, 44924167, 89848334, 179696668, 224620835, 449241670, 898483340]

約数ペア:

[(1, 898483340), (2, 449241670), (4, 224620835), (5, 179696668), (10, 89848334), (20, 44924167), (113, 7951180), (179, 5019460), (226, 3975590), (358, 2509730), (452, 1987795), (565, 1590236), (716, 1254865), (895, 1003892), (1130, 795118), (1790, 501946), (2221, 404540), (2260, 397559), (3580, 250973), (4442, 202270), (8884, 101135), (11105, 80908), (20227, 44420), (22210, 40454)]