202429520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 482433408

約数和(自身を除く): 280003888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 157, 227, 284, 314, 355, 454, 568, 628, 710, 785, 908, 1135, 1136, 1256, 1420, 1570, 1816, 2270, 2512, 2840, 3140, 3632, 4540, 5680, 6280, 9080, 11147, 12560, 16117, 18160, 22294, 32234, 35639, 44588, 55735, 64468, 71278, 80585, 89176, 111470, 128936, 142556, 161170, 178195, 178352, 222940, 257872, 285112, 322340, 356390, 445880, 570224, 644680, 712780, 891760, 1289360, 1425560, 2530369, 2851120, 5060738, 10121476, 12651845, 20242952, 25303690, 40485904, 50607380, 101214760, 202429520]

約数ペア:

[(1, 202429520), (2, 101214760), (4, 50607380), (5, 40485904), (8, 25303690), (10, 20242952), (16, 12651845), (20, 10121476), (40, 5060738), (71, 2851120), (80, 2530369), (142, 1425560), (157, 1289360), (227, 891760), (284, 712780), (314, 644680), (355, 570224), (454, 445880), (568, 356390), (628, 322340), (710, 285112), (785, 257872), (908, 222940), (1135, 178352), (1136, 178195), (1256, 161170), (1420, 142556), (1570, 128936), (1816, 111470), (2270, 89176), (2512, 80585), (2840, 71278), (3140, 64468), (3632, 55735), (4540, 44588), (5680, 35639), (6280, 32234), (9080, 22294), (11147, 18160), (12560, 16117)]