220174090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 445824000

約数和(自身を除く): 225649910

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1289, 1798, 2578, 2755, 2945, 4495, 5510, 5890, 6445, 8990, 12890, 17081, 24491, 34162, 37381, 39959, 48982, 74762, 79918, 85405, 122455, 170810, 186905, 199795, 244910, 373810, 399590, 710239, 759221, 1158811, 1420478, 1518442, 2317622, 3551195, 3796105, 5794055, 7102390, 7592210, 11588110, 22017409, 44034818, 110087045, 220174090]

約数ペア:

[(1, 220174090), (2, 110087045), (5, 44034818), (10, 22017409), (19, 11588110), (29, 7592210), (31, 7102390), (38, 5794055), (58, 3796105), (62, 3551195), (95, 2317622), (145, 1518442), (155, 1420478), (190, 1158811), (290, 759221), (310, 710239), (551, 399590), (589, 373810), (899, 244910), (1102, 199795), (1178, 186905), (1289, 170810), (1798, 122455), (2578, 85405), (2755, 79918), (2945, 74762), (4495, 48982), (5510, 39959), (5890, 37381), (6445, 34162), (8990, 24491), (12890, 17081)]