289464420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{689201}}^1$

素因数の和:689220

約数の個数: 48

約数和(自身を含む): 926287488

約数和(自身を除く): 636823068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 689201, 1378402, 2067603, 2756804, 3446005, 4135206, 4824407, 6892010, 8270412, 9648814, 10338015, 13784020, 14473221, 19297628, 20676030, 24122035, 28946442, 41352060, 48244070, 57892884, 72366105, 96488140, 144732210, 289464420]

約数ペア:

[(1, 289464420), (2, 144732210), (3, 96488140), (4, 72366105), (5, 57892884), (6, 48244070), (7, 41352060), (10, 28946442), (12, 24122035), (14, 20676030), (15, 19297628), (20, 14473221), (21, 13784020), (28, 10338015), (30, 9648814), (35, 8270412), (42, 6892010), (60, 4824407), (70, 4135206), (84, 3446005), (105, 2756804), (140, 2067603), (210, 1378402), (420, 689201)]