408804950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1554

約数の個数: 72

約数和(自身を含む): 850819800

約数和(自身を除く): 442014850

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 289, 323, 425, 475, 578, 646, 850, 950, 1445, 1489, 1615, 2890, 2978, 3230, 5491, 7225, 7445, 8075, 10982, 14450, 14890, 16150, 25313, 27455, 28291, 37225, 50626, 54910, 56582, 74450, 126565, 137275, 141455, 253130, 274550, 282910, 430321, 480947, 632825, 707275, 860642, 961894, 1265650, 1414550, 2151605, 2404735, 4303210, 4809470, 8176099, 10758025, 12023675, 16352198, 21516050, 24047350, 40880495, 81760990, 204402475, 408804950]

約数ペア:

[(1, 408804950), (2, 204402475), (5, 81760990), (10, 40880495), (17, 24047350), (19, 21516050), (25, 16352198), (34, 12023675), (38, 10758025), (50, 8176099), (85, 4809470), (95, 4303210), (170, 2404735), (190, 2151605), (289, 1414550), (323, 1265650), (425, 961894), (475, 860642), (578, 707275), (646, 632825), (850, 480947), (950, 430321), (1445, 282910), (1489, 274550), (1615, 253130), (2890, 141455), (2978, 137275), (3230, 126565), (5491, 74450), (7225, 56582), (7445, 54910), (8075, 50626), (10982, 37225), (14450, 28291), (14890, 27455), (16150, 25313)]