254671984

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 578534400

約数和(自身を除く): 323862416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 107, 112, 158, 214, 269, 316, 428, 538, 553, 632, 749, 856, 1076, 1106, 1264, 1498, 1712, 1883, 2152, 2212, 2996, 3766, 4304, 4424, 5992, 7532, 8453, 8848, 11984, 15064, 16906, 21251, 28783, 30128, 33812, 42502, 57566, 59171, 67624, 85004, 115132, 118342, 135248, 148757, 170008, 201481, 230264, 236684, 297514, 340016, 402962, 460528, 473368, 595028, 805924, 946736, 1190056, 1611848, 2273857, 2380112, 3223696, 4547714, 9095428, 15916999, 18190856, 31833998, 36381712, 63667996, 127335992, 254671984]

約数ペア:

[(1, 254671984), (2, 127335992), (4, 63667996), (7, 36381712), (8, 31833998), (14, 18190856), (16, 15916999), (28, 9095428), (56, 4547714), (79, 3223696), (107, 2380112), (112, 2273857), (158, 1611848), (214, 1190056), (269, 946736), (316, 805924), (428, 595028), (538, 473368), (553, 460528), (632, 402962), (749, 340016), (856, 297514), (1076, 236684), (1106, 230264), (1264, 201481), (1498, 170008), (1712, 148757), (1883, 135248), (2152, 118342), (2212, 115132), (2996, 85004), (3766, 67624), (4304, 59171), (4424, 57566), (5992, 42502), (7532, 33812), (8453, 30128), (8848, 28783), (11984, 21251), (15064, 16906)]