28374920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 76826880

約数和(自身を除く): 48451960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 467, 490, 620, 868, 934, 980, 1085, 1240, 1519, 1736, 1868, 1960, 2170, 2335, 3038, 3269, 3736, 4340, 4670, 6076, 6538, 7595, 8680, 9340, 12152, 13076, 14477, 15190, 16345, 18680, 22883, 26152, 28954, 30380, 32690, 45766, 57908, 60760, 65380, 72385, 91532, 101339, 114415, 115816, 130760, 144770, 183064, 202678, 228830, 289540, 405356, 457660, 506695, 579080, 709373, 810712, 915320, 1013390, 1418746, 2026780, 2837492, 3546865, 4053560, 5674984, 7093730, 14187460, 28374920]

約数ペア:

[(1, 28374920), (2, 14187460), (4, 7093730), (5, 5674984), (7, 4053560), (8, 3546865), (10, 2837492), (14, 2026780), (20, 1418746), (28, 1013390), (31, 915320), (35, 810712), (40, 709373), (49, 579080), (56, 506695), (62, 457660), (70, 405356), (98, 289540), (124, 228830), (140, 202678), (155, 183064), (196, 144770), (217, 130760), (245, 115816), (248, 114415), (280, 101339), (310, 91532), (392, 72385), (434, 65380), (467, 60760), (490, 57908), (620, 45766), (868, 32690), (934, 30380), (980, 28954), (1085, 26152), (1240, 22883), (1519, 18680), (1736, 16345), (1868, 15190), (1960, 14477), (2170, 13076), (2335, 12152), (3038, 9340), (3269, 8680), (3736, 7595), (4340, 6538), (4670, 6076)]