788919990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 1919427840

約数和(自身を除く): 1130507850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 197, 262, 393, 394, 591, 655, 786, 985, 1019, 1182, 1310, 1965, 1970, 2038, 2955, 3057, 3930, 5095, 5910, 6114, 10190, 15285, 25807, 30570, 51614, 77421, 129035, 133489, 154842, 200743, 258070, 266978, 387105, 400467, 401486, 602229, 667445, 774210, 800934, 1003715, 1204458, 1334890, 2002335, 2007430, 3011145, 4004670, 6022290, 26297333, 52594666, 78891999, 131486665, 157783998, 262973330, 394459995, 788919990]

約数ペア:

[(1, 788919990), (2, 394459995), (3, 262973330), (5, 157783998), (6, 131486665), (10, 78891999), (15, 52594666), (30, 26297333), (131, 6022290), (197, 4004670), (262, 3011145), (393, 2007430), (394, 2002335), (591, 1334890), (655, 1204458), (786, 1003715), (985, 800934), (1019, 774210), (1182, 667445), (1310, 602229), (1965, 401486), (1970, 400467), (2038, 387105), (2955, 266978), (3057, 258070), (3930, 200743), (5095, 154842), (5910, 133489), (6114, 129035), (10190, 77421), (15285, 51614), (25807, 30570)]