About the Number

1027399820

1027399819 ← → 1027399821

2進数表記:111101001111001110000010001100

漢数字表記:十億二千七百三十九万九千八百二十

素因数分解:

2 2 × 5 1 × 29 1 × 61 1 × 71 1 × 409 1

素因数の和:579
約数の個数: 96
約数和(自身を含む): 2306102400
約数和(自身を除く): 1278702580

約数列:
[1, 2, 4, 5, 10, 20, 29, 58, 61, 71, 116, 122, 142, 145, 244, 284, 290, 305, 355, 409, 580, 610, 710, 818, 1220, 1420, 1636, 1769, 2045, 2059, 3538, 4090, 4118, 4331, 7076, 8180, 8236, 8662, 8845, 10295, 11861, 17324, 17690, 20590, 21655, 23722, 24949, 29039, 35380, 41180, 43310, 47444, 49898, 58078, 59305, 86620, 99796, 116156, 118610, 124745, 125599, 145195, 237220, 249490, 251198, 290390, 498980, 502396, 580780, 627995, 723521, 842131, 1255990, 1447042, 1684262, 1771379, 2511980, 2894084, 3368524, 3542758, 3617605, 4210655, 7085516, 7235210, 8421310, 8856895, 14470420, 16842620, 17713790, 35427580, 51369991, 102739982, 205479964, 256849955, 513699910, 1027399820]

約数ペア:
[(1, 1027399820), (2, 513699910), (4, 256849955), (5, 205479964), (10, 102739982), (20, 51369991), (29, 35427580), (58, 17713790), (61, 16842620), (71, 14470420), (116, 8856895), (122, 8421310), (142, 7235210), (145, 7085516), (244, 4210655), (284, 3617605), (290, 3542758), (305, 3368524), (355, 2894084), (409, 2511980), (580, 1771379), (610, 1684262), (710, 1447042), (818, 1255990), (1220, 842131), (1420, 723521), (1636, 627995), (1769, 580780), (2045, 502396), (2059, 498980), (3538, 290390), (4090, 251198), (4118, 249490), (4331, 237220), (7076, 145195), (8180, 125599), (8236, 124745), (8662, 118610), (8845, 116156), (10295, 99796), (11861, 86620), (17324, 59305), (17690, 58078), (20590, 49898), (21655, 47444), (23722, 43310), (24949, 41180), (29039, 35380)]

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