About the Number

394212420

394212419 ← → 394212421

2進数表記:10111011111110011010001000100

漢数字表記:三億九千四百二十一万二千四百二十

素因数分解:

2 2 × 3 4 × 5 1 × 7 1 × 34763 1

素因数の和:34791
約数の個数: 120
約数和(自身を含む): 1413365184
約数和(自身を除く): 1019152764

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 34763, 69526, 104289, 139052, 173815, 208578, 243341, 312867, 347630, 417156, 486682, 521445, 625734, 695260, 730023, 938601, 973364, 1042890, 1216705, 1251468, 1460046, 1564335, 1877202, 2085780, 2190069, 2433410, 2815803, 2920092, 3128670, 3650115, 3754404, 4380138, 4693005, 4866820, 5631606, 6257340, 6570207, 7300230, 8760276, 9386010, 10950345, 11263212, 13140414, 14079015, 14600460, 18772020, 19710621, 21900690, 26280828, 28158030, 32851035, 39421242, 43801380, 56316060, 65702070, 78842484, 98553105, 131404140, 197106210, 394212420]

約数ペア:
[(1, 394212420), (2, 197106210), (3, 131404140), (4, 98553105), (5, 78842484), (6, 65702070), (7, 56316060), (9, 43801380), (10, 39421242), (12, 32851035), (14, 28158030), (15, 26280828), (18, 21900690), (20, 19710621), (21, 18772020), (27, 14600460), (28, 14079015), (30, 13140414), (35, 11263212), (36, 10950345), (42, 9386010), (45, 8760276), (54, 7300230), (60, 6570207), (63, 6257340), (70, 5631606), (81, 4866820), (84, 4693005), (90, 4380138), (105, 3754404), (108, 3650115), (126, 3128670), (135, 2920092), (140, 2815803), (162, 2433410), (180, 2190069), (189, 2085780), (210, 1877202), (252, 1564335), (270, 1460046), (315, 1251468), (324, 1216705), (378, 1042890), (405, 973364), (420, 938601), (540, 730023), (567, 695260), (630, 625734), (756, 521445), (810, 486682), (945, 417156), (1134, 347630), (1260, 312867), (1620, 243341), (1890, 208578), (2268, 173815), (2835, 139052), (3780, 104289), (5670, 69526), (11340, 34763)]

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