About the Number

127900890

127900889 ← → 127900891

2進数表記:111100111111001110011011010

漢数字表記:一億二千七百九十万八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 13 2 × 2803 1

素因数の和:2845
約数の個数: 96
約数和(自身を含む): 369455040
約数和(自身を除く): 241554150

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 507, 585, 702, 845, 1014, 1170, 1521, 1690, 1755, 2535, 2803, 3042, 3510, 4563, 5070, 5606, 7605, 8409, 9126, 14015, 15210, 16818, 22815, 25227, 28030, 36439, 42045, 45630, 50454, 72878, 75681, 84090, 109317, 126135, 151362, 182195, 218634, 252270, 327951, 364390, 378405, 473707, 546585, 655902, 756810, 947414, 983853, 1093170, 1421121, 1639755, 1967706, 2368535, 2842242, 3279510, 4263363, 4737070, 4919265, 7105605, 8526726, 9838530, 12790089, 14211210, 21316815, 25580178, 42633630, 63950445, 127900890]

約数ペア:
[(1, 127900890), (2, 63950445), (3, 42633630), (5, 25580178), (6, 21316815), (9, 14211210), (10, 12790089), (13, 9838530), (15, 8526726), (18, 7105605), (26, 4919265), (27, 4737070), (30, 4263363), (39, 3279510), (45, 2842242), (54, 2368535), (65, 1967706), (78, 1639755), (90, 1421121), (117, 1093170), (130, 983853), (135, 947414), (169, 756810), (195, 655902), (234, 546585), (270, 473707), (338, 378405), (351, 364390), (390, 327951), (507, 252270), (585, 218634), (702, 182195), (845, 151362), (1014, 126135), (1170, 109317), (1521, 84090), (1690, 75681), (1755, 72878), (2535, 50454), (2803, 45630), (3042, 42045), (3510, 36439), (4563, 28030), (5070, 25227), (5606, 22815), (7605, 16818), (8409, 15210), (9126, 14015)]

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