About the Number

231990840

231990839 ← → 231990841

2進数表記:1101110100111110011000111000

漢数字表記:二億三千百九十九万八百四十

素因数分解:

2 3 × 3 2 × 5 1 × 17 1 × 37907 1

素因数の和:37941
約数の個数: 96
約数和(自身を含む): 798342480
約数和(自身を除く): 566351640

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 37907, 75814, 113721, 151628, 189535, 227442, 303256, 341163, 379070, 454884, 568605, 644419, 682326, 758140, 909768, 1137210, 1288838, 1364652, 1516280, 1705815, 1933257, 2274420, 2577676, 2729304, 3222095, 3411630, 3866514, 4548840, 5155352, 5799771, 6444190, 6823260, 7733028, 9666285, 11599542, 12888380, 13646520, 15466056, 19332570, 23199084, 25776760, 28998855, 38665140, 46398168, 57997710, 77330280, 115995420, 231990840]

約数ペア:
[(1, 231990840), (2, 115995420), (3, 77330280), (4, 57997710), (5, 46398168), (6, 38665140), (8, 28998855), (9, 25776760), (10, 23199084), (12, 19332570), (15, 15466056), (17, 13646520), (18, 12888380), (20, 11599542), (24, 9666285), (30, 7733028), (34, 6823260), (36, 6444190), (40, 5799771), (45, 5155352), (51, 4548840), (60, 3866514), (68, 3411630), (72, 3222095), (85, 2729304), (90, 2577676), (102, 2274420), (120, 1933257), (136, 1705815), (153, 1516280), (170, 1364652), (180, 1288838), (204, 1137210), (255, 909768), (306, 758140), (340, 682326), (360, 644419), (408, 568605), (510, 454884), (612, 379070), (680, 341163), (765, 303256), (1020, 227442), (1224, 189535), (1530, 151628), (2040, 113721), (3060, 75814), (6120, 37907)]

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