154775020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 330045408

約数和(自身を除く): 175270388

約数列:

[1, 2, 4, 5, 10, 20, 163, 197, 241, 326, 394, 482, 652, 788, 815, 964, 985, 1205, 1630, 1970, 2410, 3260, 3940, 4820, 32111, 39283, 47477, 64222, 78566, 94954, 128444, 157132, 160555, 189908, 196415, 237385, 321110, 392830, 474770, 642220, 785660, 949540, 7738751, 15477502, 30955004, 38693755, 77387510, 154775020]

約数ペア:

[(1, 154775020), (2, 77387510), (4, 38693755), (5, 30955004), (10, 15477502), (20, 7738751), (163, 949540), (197, 785660), (241, 642220), (326, 474770), (394, 392830), (482, 321110), (652, 237385), (788, 196415), (815, 189908), (964, 160555), (985, 157132), (1205, 128444), (1630, 94954), (1970, 78566), (2410, 64222), (3260, 47477), (3940, 39283), (4820, 32111)]