291047120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39979}}^1$

素因数の和:40012

約数の個数: 80

約数和(自身を含む): 832863360

約数和(自身を除く): 541816240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39979, 79958, 159916, 199895, 279853, 319832, 399790, 519727, 559706, 639664, 799580, 1039454, 1119412, 1399265, 1599160, 2078908, 2238824, 2598635, 2798530, 3198320, 3638089, 4157816, 4477648, 5197270, 5597060, 7276178, 8315632, 10394540, 11194120, 14552356, 18190445, 20789080, 22388240, 29104712, 36380890, 41578160, 58209424, 72761780, 145523560, 291047120]

約数ペア:

[(1, 291047120), (2, 145523560), (4, 72761780), (5, 58209424), (7, 41578160), (8, 36380890), (10, 29104712), (13, 22388240), (14, 20789080), (16, 18190445), (20, 14552356), (26, 11194120), (28, 10394540), (35, 8315632), (40, 7276178), (52, 5597060), (56, 5197270), (65, 4477648), (70, 4157816), (80, 3638089), (91, 3198320), (104, 2798530), (112, 2598635), (130, 2238824), (140, 2078908), (182, 1599160), (208, 1399265), (260, 1119412), (280, 1039454), (364, 799580), (455, 639664), (520, 559706), (560, 519727), (728, 399790), (910, 319832), (1040, 279853), (1456, 199895), (1820, 159916), (3640, 79958), (7280, 39979)]