About the Number

1520452990

1520452989 ← → 1520452991

2進数表記:1011010101000000100010101111110

漢数字表記:十五億二千四十五万二千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 101 1 × 109 1 × 1973 1

素因数の和:2197
約数の個数: 64
約数和(自身を含む): 3189352320
約数和(自身を除く): 1668899330

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 101, 109, 202, 218, 505, 545, 707, 763, 1010, 1090, 1414, 1526, 1973, 3535, 3815, 3946, 7070, 7630, 9865, 11009, 13811, 19730, 22018, 27622, 55045, 69055, 77063, 110090, 138110, 154126, 199273, 215057, 385315, 398546, 430114, 770630, 996365, 1075285, 1394911, 1505399, 1992730, 2150570, 2789822, 3010798, 6974555, 7526995, 13949110, 15053990, 21720757, 43441514, 108603785, 152045299, 217207570, 304090598, 760226495, 1520452990]

約数ペア:
[(1, 1520452990), (2, 760226495), (5, 304090598), (7, 217207570), (10, 152045299), (14, 108603785), (35, 43441514), (70, 21720757), (101, 15053990), (109, 13949110), (202, 7526995), (218, 6974555), (505, 3010798), (545, 2789822), (707, 2150570), (763, 1992730), (1010, 1505399), (1090, 1394911), (1414, 1075285), (1526, 996365), (1973, 770630), (3535, 430114), (3815, 398546), (3946, 385315), (7070, 215057), (7630, 199273), (9865, 154126), (11009, 138110), (13811, 110090), (19730, 77063), (22018, 69055), (27622, 55045)]

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