620984840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{18637}}^1$

素因数の和:18679

約数の個数: 96

約数和(自身を含む): 1721032920

約数和(自身を除く): 1100048080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 952, 980, 1190, 1666, 1960, 2380, 3332, 4165, 4760, 6664, 8330, 16660, 18637, 33320, 37274, 74548, 93185, 130459, 149096, 186370, 260918, 316829, 372740, 521836, 633658, 652295, 745480, 913213, 1043672, 1267316, 1304590, 1584145, 1826426, 2217803, 2534632, 2609180, 3168290, 3652852, 4435606, 4566065, 5218360, 6336580, 7305704, 8871212, 9132130, 11089015, 12673160, 15524621, 17742424, 18264260, 22178030, 31049242, 36528520, 44356060, 62098484, 77623105, 88712120, 124196968, 155246210, 310492420, 620984840]

約数ペア:

[(1, 620984840), (2, 310492420), (4, 155246210), (5, 124196968), (7, 88712120), (8, 77623105), (10, 62098484), (14, 44356060), (17, 36528520), (20, 31049242), (28, 22178030), (34, 18264260), (35, 17742424), (40, 15524621), (49, 12673160), (56, 11089015), (68, 9132130), (70, 8871212), (85, 7305704), (98, 6336580), (119, 5218360), (136, 4566065), (140, 4435606), (170, 3652852), (196, 3168290), (238, 2609180), (245, 2534632), (280, 2217803), (340, 1826426), (392, 1584145), (476, 1304590), (490, 1267316), (595, 1043672), (680, 913213), (833, 745480), (952, 652295), (980, 633658), (1190, 521836), (1666, 372740), (1960, 316829), (2380, 260918), (3332, 186370), (4165, 149096), (4760, 130459), (6664, 93185), (8330, 74548), (16660, 37274), (18637, 33320)]