1388975677380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{406133239}}^1$

素因数の和:406133273

約数の個数: 72

約数和(自身を含む): 4434974980800

約数和(自身を除く): 3045999303420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 406133239, 812266478, 1218399717, 1624532956, 2030666195, 2436799434, 3655199151, 4061332390, 4873598868, 6091998585, 7310398302, 7716531541, 8122664780, 12183997170, 14620796604, 15433063082, 18275995755, 23149594623, 24367994340, 30866126164, 36551991510, 38582657705, 46299189246, 69448783869, 73103983020, 77165315410, 92598378492, 115747973115, 138897567738, 154330630820, 231495946230, 277795135476, 347243919345, 462991892460, 694487838690, 1388975677380]

約数ペア:

[(1, 1388975677380), (2, 694487838690), (3, 462991892460), (4, 347243919345), (5, 277795135476), (6, 231495946230), (9, 154330630820), (10, 138897567738), (12, 115747973115), (15, 92598378492), (18, 77165315410), (19, 73103983020), (20, 69448783869), (30, 46299189246), (36, 38582657705), (38, 36551991510), (45, 30866126164), (57, 24367994340), (60, 23149594623), (76, 18275995755), (90, 15433063082), (95, 14620796604), (114, 12183997170), (171, 8122664780), (180, 7716531541), (190, 7310398302), (228, 6091998585), (285, 4873598868), (342, 4061332390), (380, 3655199151), (570, 2436799434), (684, 2030666195), (855, 1624532956), (1140, 1218399717), (1710, 812266478), (3420, 406133239)]