420784410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 1028943360

約数和(自身を除く): 608158950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 271, 365, 438, 542, 709, 730, 813, 1095, 1355, 1418, 1626, 2127, 2190, 2710, 3545, 4065, 4254, 7090, 8130, 10635, 19783, 21270, 39566, 51757, 59349, 98915, 103514, 118698, 155271, 192139, 197830, 258785, 296745, 310542, 384278, 517570, 576417, 593490, 776355, 960695, 1152834, 1552710, 1921390, 2882085, 5764170, 14026147, 28052294, 42078441, 70130735, 84156882, 140261470, 210392205, 420784410]

約数ペア:

[(1, 420784410), (2, 210392205), (3, 140261470), (5, 84156882), (6, 70130735), (10, 42078441), (15, 28052294), (30, 14026147), (73, 5764170), (146, 2882085), (219, 1921390), (271, 1552710), (365, 1152834), (438, 960695), (542, 776355), (709, 593490), (730, 576417), (813, 517570), (1095, 384278), (1355, 310542), (1418, 296745), (1626, 258785), (2127, 197830), (2190, 192139), (2710, 155271), (3545, 118698), (4065, 103514), (4254, 98915), (7090, 59349), (8130, 51757), (10635, 39566), (19783, 21270)]