40378875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 31505925

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 79, 87, 125, 141, 145, 235, 237, 375, 395, 435, 705, 725, 1175, 1185, 1363, 1975, 2175, 2291, 3525, 3625, 3713, 4089, 5875, 5925, 6815, 6873, 9875, 10875, 11139, 11455, 17625, 18565, 20445, 29625, 34075, 34365, 55695, 57275, 92825, 102225, 107677, 170375, 171825, 278475, 286375, 323031, 464125, 511125, 538385, 859125, 1392375, 1615155, 2691925, 8075775, 13459625, 40378875]

約数ペア:

[(1, 40378875), (3, 13459625), (5, 8075775), (15, 2691925), (25, 1615155), (29, 1392375), (47, 859125), (75, 538385), (79, 511125), (87, 464125), (125, 323031), (141, 286375), (145, 278475), (235, 171825), (237, 170375), (375, 107677), (395, 102225), (435, 92825), (705, 57275), (725, 55695), (1175, 34365), (1185, 34075), (1363, 29625), (1975, 20445), (2175, 18565), (2291, 17625), (3525, 11455), (3625, 11139), (3713, 10875), (4089, 9875), (5875, 6873), (5925, 6815)]