338429680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53549}}^1$

素因数の和:53641

約数の個数: 40

約数和(自身を含む): 796824000

約数和(自身を除く): 458394320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 53549, 107098, 214196, 267745, 428392, 535490, 856784, 1070980, 2141960, 4230371, 4283920, 8460742, 16921484, 21151855, 33842968, 42303710, 67685936, 84607420, 169214840, 338429680]

約数ペア:

[(1, 338429680), (2, 169214840), (4, 84607420), (5, 67685936), (8, 42303710), (10, 33842968), (16, 21151855), (20, 16921484), (40, 8460742), (79, 4283920), (80, 4230371), (158, 2141960), (316, 1070980), (395, 856784), (632, 535490), (790, 428392), (1264, 267745), (1580, 214196), (3160, 107098), (6320, 53549)]