778839348700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2642821}}^1$

素因数の和:2643263

約数の個数: 72

約数和(自身を含む): 1936110254624

約数和(自身を除く): 1157270905924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 421, 700, 842, 1684, 2105, 2947, 4210, 5894, 8420, 10525, 11788, 14735, 21050, 29470, 42100, 58940, 73675, 147350, 294700, 2642821, 5285642, 10571284, 13214105, 18499747, 26428210, 36999494, 52856420, 66070525, 73998988, 92498735, 132141050, 184997470, 264282100, 369994940, 462493675, 924987350, 1112627641, 1849974700, 2225255282, 4450510564, 5563138205, 7788393487, 11126276410, 15576786974, 22252552820, 27815691025, 31153573948, 38941967435, 55631382050, 77883934870, 111262764100, 155767869740, 194709837175, 389419674350, 778839348700]

約数ペア:

[(1, 778839348700), (2, 389419674350), (4, 194709837175), (5, 155767869740), (7, 111262764100), (10, 77883934870), (14, 55631382050), (20, 38941967435), (25, 31153573948), (28, 27815691025), (35, 22252552820), (50, 15576786974), (70, 11126276410), (100, 7788393487), (140, 5563138205), (175, 4450510564), (350, 2225255282), (421, 1849974700), (700, 1112627641), (842, 924987350), (1684, 462493675), (2105, 369994940), (2947, 264282100), (4210, 184997470), (5894, 132141050), (8420, 92498735), (10525, 73998988), (11788, 66070525), (14735, 52856420), (21050, 36999494), (29470, 26428210), (42100, 18499747), (58940, 13214105), (73675, 10571284), (147350, 5285642), (294700, 2642821)]