28091523.000000000

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1881

約数の個数: 120

約数和(自身を含む): 618817536

約数和(自身を除く): 397286576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1823, 1960, 2170, 2480, 3038, 3472, 3646, 3920, 4340, 6076, 7292, 7595, 8680, 9115, 12152, 12761, 14584, 15190, 17360, 18230, 24304, 25522, 29168, 30380, 36460, 51044, 56513, 60760, 63805, 72920, 89327, 102088, 113026, 121520, 127610, 145840, 178654, 204176, 226052, 255220, 282565, 357308, 395591, 446635, 452104, 510440, 565130, 714616, 791182, 893270, 904208, 1020880, 1130260, 1429232, 1582364, 1786540, 1977955, 2260520, 2769137, 3164728, 3573080, 3955910, 4521040, 5538274, 6329456, 7146160, 7911820, 11076548, 13845685, 15823640, 22153096, 27691370, 31647280, 44306192, 55382740, 110765480, 221530960]

約数ペア:

[(1, 221530960), (2, 110765480), (4, 55382740), (5, 44306192), (7, 31647280), (8, 27691370), (10, 22153096), (14, 15823640), (16, 13845685), (20, 11076548), (28, 7911820), (31, 7146160), (35, 6329456), (40, 5538274), (49, 4521040), (56, 3955910), (62, 3573080), (70, 3164728), (80, 2769137), (98, 2260520), (112, 1977955), (124, 1786540), (140, 1582364), (155, 1429232), (196, 1130260), (217, 1020880), (245, 904208), (248, 893270), (280, 791182), (310, 714616), (392, 565130), (434, 510440), (490, 452104), (496, 446635), (560, 395591), (620, 357308), (784, 282565), (868, 255220), (980, 226052), (1085, 204176), (1240, 178654), (1519, 145840), (1736, 127610), (1823, 121520), (1960, 113026), (2170, 102088), (2480, 89327), (3038, 72920), (3472, 63805), (3646, 60760), (3920, 56513), (4340, 51044), (6076, 36460), (7292, 30380), (7595, 29168), (8680, 25522), (9115, 24304), (12152, 18230), (12761, 17360), (14584, 15190)]