486963920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1399}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 1197840000

約数和(自身を除く): 710876080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 229, 304, 380, 458, 760, 916, 1145, 1399, 1520, 1832, 2290, 2798, 3664, 4351, 4580, 5596, 6995, 8702, 9160, 11192, 13990, 17404, 18320, 21755, 22384, 26581, 27980, 34808, 43510, 53162, 55960, 69616, 87020, 106324, 111920, 132905, 174040, 212648, 265810, 320371, 348080, 425296, 531620, 640742, 1063240, 1281484, 1601855, 2126480, 2562968, 3203710, 5125936, 6087049, 6407420, 12174098, 12814840, 24348196, 25629680, 30435245, 48696392, 60870490, 97392784, 121740980, 243481960, 486963920]

約数ペア:

[(1, 486963920), (2, 243481960), (4, 121740980), (5, 97392784), (8, 60870490), (10, 48696392), (16, 30435245), (19, 25629680), (20, 24348196), (38, 12814840), (40, 12174098), (76, 6407420), (80, 6087049), (95, 5125936), (152, 3203710), (190, 2562968), (229, 2126480), (304, 1601855), (380, 1281484), (458, 1063240), (760, 640742), (916, 531620), (1145, 425296), (1399, 348080), (1520, 320371), (1832, 265810), (2290, 212648), (2798, 174040), (3664, 132905), (4351, 111920), (4580, 106324), (5596, 87020), (6995, 69616), (8702, 55960), (9160, 53162), (11192, 43510), (13990, 34808), (17404, 27980), (18320, 26581), (21755, 22384)]