2013162940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^2\times {\mathrm{173}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 4421515392

約数和(自身を除く): 2408352452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 173, 274, 310, 346, 548, 620, 685, 692, 865, 1370, 1730, 2740, 3460, 4247, 5363, 8494, 10726, 16988, 18769, 21235, 21452, 23701, 26815, 37538, 42470, 47402, 53630, 75076, 84940, 93845, 94804, 107260, 118505, 187690, 237010, 375380, 474020, 581839, 734731, 1163678, 1469462, 2327356, 2909195, 2938924, 3247037, 3673655, 5818390, 6494074, 7347310, 11636780, 12988148, 14694620, 16235185, 32470370, 64940740, 100658147, 201316294, 402632588, 503290735, 1006581470, 2013162940]

約数ペア:

[(1, 2013162940), (2, 1006581470), (4, 503290735), (5, 402632588), (10, 201316294), (20, 100658147), (31, 64940740), (62, 32470370), (124, 16235185), (137, 14694620), (155, 12988148), (173, 11636780), (274, 7347310), (310, 6494074), (346, 5818390), (548, 3673655), (620, 3247037), (685, 2938924), (692, 2909195), (865, 2327356), (1370, 1469462), (1730, 1163678), (2740, 734731), (3460, 581839), (4247, 474020), (5363, 375380), (8494, 237010), (10726, 187690), (16988, 118505), (18769, 107260), (21235, 94804), (21452, 93845), (23701, 84940), (26815, 75076), (37538, 53630), (42470, 47402)]