30643940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 66138240

約数和(自身を除く): 35494300

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 151, 278, 292, 302, 365, 556, 604, 695, 730, 755, 1390, 1460, 1510, 2780, 3020, 10147, 11023, 20294, 20989, 22046, 40588, 41978, 44092, 50735, 55115, 83956, 101470, 104945, 110230, 202940, 209890, 220460, 419780, 1532197, 3064394, 6128788, 7660985, 15321970, 30643940]

約数ペア:

[(1, 30643940), (2, 15321970), (4, 7660985), (5, 6128788), (10, 3064394), (20, 1532197), (73, 419780), (139, 220460), (146, 209890), (151, 202940), (278, 110230), (292, 104945), (302, 101470), (365, 83956), (556, 55115), (604, 50735), (695, 44092), (730, 41978), (755, 40588), (1390, 22046), (1460, 20989), (1510, 20294), (2780, 11023), (3020, 10147)]