244142020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9049}}^1$

素因数の和:9148

約数の個数: 48

約数和(自身を含む): 547344000

約数和(自身を除く): 303201980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 9049, 13490, 18098, 26980, 36196, 45245, 90490, 171931, 180980, 343862, 642479, 687724, 859655, 1284958, 1719310, 2569916, 3212395, 3438620, 6424790, 12207101, 12849580, 24414202, 48828404, 61035505, 122071010, 244142020]

約数ペア:

[(1, 244142020), (2, 122071010), (4, 61035505), (5, 48828404), (10, 24414202), (19, 12849580), (20, 12207101), (38, 6424790), (71, 3438620), (76, 3212395), (95, 2569916), (142, 1719310), (190, 1284958), (284, 859655), (355, 687724), (380, 642479), (710, 343862), (1349, 180980), (1420, 171931), (2698, 90490), (5396, 45245), (6745, 36196), (9049, 26980), (13490, 18098)]