920149936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 1949875200

約数和(自身を除く): 1029725264

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 251, 304, 389, 496, 502, 589, 778, 1004, 1178, 1556, 2008, 2356, 3112, 4016, 4712, 4769, 6224, 7391, 7781, 9424, 9538, 12059, 14782, 15562, 19076, 24118, 29564, 31124, 38152, 48236, 59128, 62248, 76304, 96472, 97639, 118256, 124496, 147839, 192944, 195278, 229121, 295678, 390556, 458242, 591356, 781112, 916484, 1182712, 1562224, 1832968, 1855141, 2365424, 3026809, 3665936, 3710282, 6053618, 7420564, 12107236, 14841128, 24214472, 29682256, 48428944, 57509371, 115018742, 230037484, 460074968, 920149936]

約数ペア:

[(1, 920149936), (2, 460074968), (4, 230037484), (8, 115018742), (16, 57509371), (19, 48428944), (31, 29682256), (38, 24214472), (62, 14841128), (76, 12107236), (124, 7420564), (152, 6053618), (248, 3710282), (251, 3665936), (304, 3026809), (389, 2365424), (496, 1855141), (502, 1832968), (589, 1562224), (778, 1182712), (1004, 916484), (1178, 781112), (1556, 591356), (2008, 458242), (2356, 390556), (3112, 295678), (4016, 229121), (4712, 195278), (4769, 192944), (6224, 147839), (7391, 124496), (7781, 118256), (9424, 97639), (9538, 96472), (12059, 76304), (14782, 62248), (15562, 59128), (19076, 48236), (24118, 38152), (29564, 31124)]