1853180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 4749696

約数和(自身を除く): 2896516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 61, 62, 70, 98, 122, 124, 140, 155, 196, 217, 244, 245, 305, 310, 427, 434, 490, 610, 620, 854, 868, 980, 1085, 1220, 1519, 1708, 1891, 2135, 2170, 2989, 3038, 3782, 4270, 4340, 5978, 6076, 7564, 7595, 8540, 9455, 11956, 13237, 14945, 15190, 18910, 26474, 29890, 30380, 37820, 52948, 59780, 66185, 92659, 132370, 185318, 264740, 370636, 463295, 926590, 1853180]

約数ペア:

[(1, 1853180), (2, 926590), (4, 463295), (5, 370636), (7, 264740), (10, 185318), (14, 132370), (20, 92659), (28, 66185), (31, 59780), (35, 52948), (49, 37820), (61, 30380), (62, 29890), (70, 26474), (98, 18910), (122, 15190), (124, 14945), (140, 13237), (155, 11956), (196, 9455), (217, 8540), (244, 7595), (245, 7564), (305, 6076), (310, 5978), (427, 4340), (434, 4270), (490, 3782), (610, 3038), (620, 2989), (854, 2170), (868, 2135), (980, 1891), (1085, 1708), (1220, 1519)]