421926490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 821705472

約数和(自身を除く): 399778982

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 101, 115, 202, 205, 230, 410, 443, 505, 886, 943, 1010, 1886, 2215, 2323, 4141, 4430, 4646, 4715, 8282, 9430, 10189, 11615, 18163, 20378, 20705, 23230, 36326, 41410, 44743, 50945, 89486, 90815, 95243, 101890, 181630, 190486, 223715, 417749, 447430, 476215, 835498, 952430, 1029089, 1834463, 2058178, 2088745, 3668926, 4177490, 5145445, 9172315, 10290890, 18344630, 42192649, 84385298, 210963245, 421926490]

約数ペア:

[(1, 421926490), (2, 210963245), (5, 84385298), (10, 42192649), (23, 18344630), (41, 10290890), (46, 9172315), (82, 5145445), (101, 4177490), (115, 3668926), (202, 2088745), (205, 2058178), (230, 1834463), (410, 1029089), (443, 952430), (505, 835498), (886, 476215), (943, 447430), (1010, 417749), (1886, 223715), (2215, 190486), (2323, 181630), (4141, 101890), (4430, 95243), (4646, 90815), (4715, 89486), (8282, 50945), (9430, 44743), (10189, 41410), (11615, 36326), (18163, 23230), (20378, 20705)]