2018557640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{10949}}^1$

素因数の和:11390

約数の個数: 64

約数和(自身を含む): 4966920000

約数和(自身を除く): 2948362360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 419, 440, 838, 1676, 2095, 3352, 4190, 4609, 8380, 9218, 10949, 16760, 18436, 21898, 23045, 36872, 43796, 46090, 54745, 87592, 92180, 109490, 120439, 184360, 218980, 240878, 437960, 481756, 602195, 963512, 1204390, 2408780, 4587631, 4817560, 9175262, 18350524, 22938155, 36701048, 45876310, 50463941, 91752620, 100927882, 183505240, 201855764, 252319705, 403711528, 504639410, 1009278820, 2018557640]

約数ペア:

[(1, 2018557640), (2, 1009278820), (4, 504639410), (5, 403711528), (8, 252319705), (10, 201855764), (11, 183505240), (20, 100927882), (22, 91752620), (40, 50463941), (44, 45876310), (55, 36701048), (88, 22938155), (110, 18350524), (220, 9175262), (419, 4817560), (440, 4587631), (838, 2408780), (1676, 1204390), (2095, 963512), (3352, 602195), (4190, 481756), (4609, 437960), (8380, 240878), (9218, 218980), (10949, 184360), (16760, 120439), (18436, 109490), (21898, 92180), (23045, 87592), (36872, 54745), (43796, 46090)]