621192920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{6131}}^1$

素因数の和:6308

約数の個数: 64

約数和(自身を含む): 1490076000

約数和(自身を除く): 868883080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 2533, 2980, 5066, 5960, 6131, 10132, 12262, 12665, 20264, 24524, 25330, 30655, 49048, 50660, 61310, 101320, 104227, 122620, 208454, 245240, 416908, 521135, 833816, 913519, 1042270, 1827038, 2084540, 3654076, 4169080, 4567595, 7308152, 9135190, 15529823, 18270380, 31059646, 36540760, 62119292, 77649115, 124238584, 155298230, 310596460, 621192920]

約数ペア:

[(1, 621192920), (2, 310596460), (4, 155298230), (5, 124238584), (8, 77649115), (10, 62119292), (17, 36540760), (20, 31059646), (34, 18270380), (40, 15529823), (68, 9135190), (85, 7308152), (136, 4567595), (149, 4169080), (170, 3654076), (298, 2084540), (340, 1827038), (596, 1042270), (680, 913519), (745, 833816), (1192, 521135), (1490, 416908), (2533, 245240), (2980, 208454), (5066, 122620), (5960, 104227), (6131, 101320), (10132, 61310), (12262, 50660), (12665, 49048), (20264, 30655), (24524, 25330)]