2989936810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1255

約数の個数: 64

約数和(自身を含む): 6215616000

約数和(自身を除く): 3225679190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 439, 653, 745, 878, 1043, 1306, 1490, 2086, 2195, 3073, 3265, 4390, 4571, 5215, 6146, 6530, 9142, 10430, 15365, 22855, 30730, 45710, 65411, 97297, 130822, 194594, 286667, 327055, 457877, 486485, 573334, 654110, 681079, 915754, 972970, 1362158, 1433335, 2006669, 2289385, 2866670, 3405395, 4013338, 4578770, 6810790, 10033345, 20066690, 42713383, 85426766, 213566915, 298993681, 427133830, 597987362, 1494968405, 2989936810]

約数ペア:

[(1, 2989936810), (2, 1494968405), (5, 597987362), (7, 427133830), (10, 298993681), (14, 213566915), (35, 85426766), (70, 42713383), (149, 20066690), (298, 10033345), (439, 6810790), (653, 4578770), (745, 4013338), (878, 3405395), (1043, 2866670), (1306, 2289385), (1490, 2006669), (2086, 1433335), (2195, 1362158), (3073, 972970), (3265, 915754), (4390, 681079), (4571, 654110), (5215, 573334), (6146, 486485), (6530, 457877), (9142, 327055), (10430, 286667), (15365, 194594), (22855, 130822), (30730, 97297), (45710, 65411)]