About the Number

28798490

28798489 ← → 28798491

2進数表記:1101101110110111000011010

漢数字表記:二千八百七十九万八千四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 19 1 × 59 1 × 367 1

素因数の和:459
約数の個数: 64
約数和(自身を含む): 63590400
約数和(自身を除く): 34791910

約数列:
[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 266, 295, 367, 413, 590, 665, 734, 826, 1121, 1330, 1835, 2065, 2242, 2569, 3670, 4130, 5138, 5605, 6973, 7847, 11210, 12845, 13946, 15694, 21653, 25690, 34865, 39235, 43306, 48811, 69730, 78470, 97622, 108265, 151571, 216530, 244055, 303142, 411407, 488110, 757855, 822814, 1515710, 2057035, 2879849, 4114070, 5759698, 14399245, 28798490]

約数ペア:
[(1, 28798490), (2, 14399245), (5, 5759698), (7, 4114070), (10, 2879849), (14, 2057035), (19, 1515710), (35, 822814), (38, 757855), (59, 488110), (70, 411407), (95, 303142), (118, 244055), (133, 216530), (190, 151571), (266, 108265), (295, 97622), (367, 78470), (413, 69730), (590, 48811), (665, 43306), (734, 39235), (826, 34865), (1121, 25690), (1330, 21653), (1835, 15694), (2065, 13946), (2242, 12845), (2569, 11210), (3670, 7847), (4130, 6973), (5138, 5605)]

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