28808220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 93155328

約数和(自身を除く): 64347108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 607, 678, 791, 1130, 1214, 1356, 1582, 1695, 1821, 2260, 2373, 2428, 3035, 3164, 3390, 3642, 3955, 4249, 4746, 6070, 6780, 7284, 7910, 8498, 9105, 9492, 11865, 12140, 12747, 15820, 16996, 18210, 21245, 23730, 25494, 36420, 42490, 47460, 50988, 63735, 68591, 84980, 127470, 137182, 205773, 254940, 274364, 342955, 411546, 480137, 685910, 823092, 960274, 1028865, 1371820, 1440411, 1920548, 2057730, 2400685, 2880822, 4115460, 4801370, 5761644, 7202055, 9602740, 14404110, 28808220]

約数ペア:

[(1, 28808220), (2, 14404110), (3, 9602740), (4, 7202055), (5, 5761644), (6, 4801370), (7, 4115460), (10, 2880822), (12, 2400685), (14, 2057730), (15, 1920548), (20, 1440411), (21, 1371820), (28, 1028865), (30, 960274), (35, 823092), (42, 685910), (60, 480137), (70, 411546), (84, 342955), (105, 274364), (113, 254940), (140, 205773), (210, 137182), (226, 127470), (339, 84980), (420, 68591), (452, 63735), (565, 50988), (607, 47460), (678, 42490), (791, 36420), (1130, 25494), (1214, 23730), (1356, 21245), (1582, 18210), (1695, 16996), (1821, 15820), (2260, 12747), (2373, 12140), (2428, 11865), (3035, 9492), (3164, 9105), (3390, 8498), (3642, 7910), (3955, 7284), (4249, 6780), (4746, 6070)]