419045340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{997727}}^1$

素因数の和:997746

約数の個数: 48

約数和(自身を含む): 1340946432

約数和(自身を除く): 921901092

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, 997727, 1995454, 2993181, 3990908, 4988635, 5986362, 6984089, 9977270, 11972724, 13968178, 14965905, 19954540, 20952267, 27936356, 29931810, 34920445, 41904534, 59863620, 69840890, 83809068, 104761335, 139681780, 209522670, 419045340]

約数ペア:

[(1, 419045340), (2, 209522670), (3, 139681780), (4, 104761335), (5, 83809068), (6, 69840890), (7, 59863620), (10, 41904534), (12, 34920445), (14, 29931810), (15, 27936356), (20, 20952267), (21, 19954540), (28, 14965905), (30, 13968178), (35, 11972724), (42, 9977270), (60, 6984089), (70, 5986362), (84, 4988635), (105, 3990908), (140, 2993181), (210, 1995454), (420, 997727)]