About the Number

100090890

100090889 ← → 100090891

2進数表記:101111101110100010000001010

漢数字表記:一億九万八百九十

素因数分解:

2 1 × 3 4 × 5 1 × 29 1 × 4261 1

素因数の和:4309
約数の個数: 80
約数和(自身を含む): 278479080
約数和(自身を除く): 178388190

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1305, 1566, 2349, 2610, 3915, 4261, 4698, 7830, 8522, 11745, 12783, 21305, 23490, 25566, 38349, 42610, 63915, 76698, 115047, 123569, 127830, 191745, 230094, 247138, 345141, 370707, 383490, 575235, 617845, 690282, 741414, 1112121, 1150470, 1235690, 1725705, 1853535, 2224242, 3336363, 3451410, 3707070, 5560605, 6672726, 10009089, 11121210, 16681815, 20018178, 33363630, 50045445, 100090890]

約数ペア:
[(1, 100090890), (2, 50045445), (3, 33363630), (5, 20018178), (6, 16681815), (9, 11121210), (10, 10009089), (15, 6672726), (18, 5560605), (27, 3707070), (29, 3451410), (30, 3336363), (45, 2224242), (54, 1853535), (58, 1725705), (81, 1235690), (87, 1150470), (90, 1112121), (135, 741414), (145, 690282), (162, 617845), (174, 575235), (261, 383490), (270, 370707), (290, 345141), (405, 247138), (435, 230094), (522, 191745), (783, 127830), (810, 123569), (870, 115047), (1305, 76698), (1566, 63915), (2349, 42610), (2610, 38349), (3915, 25566), (4261, 23490), (4698, 21305), (7830, 12783), (8522, 11745)]

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