305168740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{313}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 681687720

約数和(自身を除く): 376518980

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 313, 410, 580, 626, 820, 1189, 1252, 1565, 1681, 2378, 3130, 3362, 4756, 5945, 6260, 6724, 8405, 9077, 11890, 12833, 16810, 18154, 23780, 25666, 33620, 36308, 45385, 48749, 51332, 64165, 90770, 97498, 128330, 181540, 194996, 243745, 256660, 372157, 487490, 526153, 744314, 974980, 1052306, 1488628, 1860785, 2104612, 2630765, 3721570, 5261530, 7443140, 10523060, 15258437, 30516874, 61033748, 76292185, 152584370, 305168740]

約数ペア:

[(1, 305168740), (2, 152584370), (4, 76292185), (5, 61033748), (10, 30516874), (20, 15258437), (29, 10523060), (41, 7443140), (58, 5261530), (82, 3721570), (116, 2630765), (145, 2104612), (164, 1860785), (205, 1488628), (290, 1052306), (313, 974980), (410, 744314), (580, 526153), (626, 487490), (820, 372157), (1189, 256660), (1252, 243745), (1565, 194996), (1681, 181540), (2378, 128330), (3130, 97498), (3362, 90770), (4756, 64165), (5945, 51332), (6260, 48749), (6724, 45385), (8405, 36308), (9077, 33620), (11890, 25666), (12833, 23780), (16810, 18154)]