145971980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1231}}^1$

素因数の和:1276

約数の個数: 108

約数和(自身を含む): 392271264

約数和(自身を除く): 246299284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 539, 605, 770, 847, 980, 1078, 1210, 1231, 1540, 1694, 2156, 2420, 2462, 2695, 3388, 4235, 4924, 5390, 5929, 6155, 8470, 8617, 10780, 11858, 12310, 13541, 16940, 17234, 23716, 24620, 27082, 29645, 34468, 43085, 54164, 59290, 60319, 67705, 86170, 94787, 118580, 120638, 135410, 148951, 172340, 189574, 241276, 270820, 297902, 301595, 379148, 473935, 595804, 603190, 663509, 744755, 947870, 1042657, 1206380, 1327018, 1489510, 1895740, 2085314, 2654036, 2979020, 3317545, 4170628, 5213285, 6635090, 7298599, 10426570, 13270180, 14597198, 20853140, 29194396, 36492995, 72985990, 145971980]

約数ペア:

[(1, 145971980), (2, 72985990), (4, 36492995), (5, 29194396), (7, 20853140), (10, 14597198), (11, 13270180), (14, 10426570), (20, 7298599), (22, 6635090), (28, 5213285), (35, 4170628), (44, 3317545), (49, 2979020), (55, 2654036), (70, 2085314), (77, 1895740), (98, 1489510), (110, 1327018), (121, 1206380), (140, 1042657), (154, 947870), (196, 744755), (220, 663509), (242, 603190), (245, 595804), (308, 473935), (385, 379148), (484, 301595), (490, 297902), (539, 270820), (605, 241276), (770, 189574), (847, 172340), (980, 148951), (1078, 135410), (1210, 120638), (1231, 118580), (1540, 94787), (1694, 86170), (2156, 67705), (2420, 60319), (2462, 59290), (2695, 54164), (3388, 43085), (4235, 34468), (4924, 29645), (5390, 27082), (5929, 24620), (6155, 23716), (8470, 17234), (8617, 16940), (10780, 13541), (11858, 12310)]