990991730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 1887701760

約数和(自身を除く): 896710030

約数列:

[1, 2, 5, 10, 41, 59, 71, 82, 118, 142, 205, 295, 355, 410, 577, 590, 710, 1154, 2419, 2885, 2911, 4189, 4838, 5770, 5822, 8378, 12095, 14555, 20945, 23657, 24190, 29110, 34043, 40967, 41890, 47314, 68086, 81934, 118285, 170215, 171749, 204835, 236570, 340430, 343498, 409670, 858745, 1395763, 1679647, 1717490, 2417053, 2791526, 3359294, 4834106, 6978815, 8398235, 12085265, 13957630, 16796470, 24170530, 99099173, 198198346, 495495865, 990991730]

約数ペア:

[(1, 990991730), (2, 495495865), (5, 198198346), (10, 99099173), (41, 24170530), (59, 16796470), (71, 13957630), (82, 12085265), (118, 8398235), (142, 6978815), (205, 4834106), (295, 3359294), (355, 2791526), (410, 2417053), (577, 1717490), (590, 1679647), (710, 1395763), (1154, 858745), (2419, 409670), (2885, 343498), (2911, 340430), (4189, 236570), (4838, 204835), (5770, 171749), (5822, 170215), (8378, 118285), (12095, 81934), (14555, 68086), (20945, 47314), (23657, 41890), (24190, 40967), (29110, 34043)]