9780454775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{54419}}^1$

素因数の和:54528

約数の個数: 48

約数和(自身を含む): 15115699200

約数和(自身を除く): 5335244425

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 175, 325, 395, 455, 553, 1027, 1975, 2275, 2765, 5135, 7189, 13825, 25675, 35945, 54419, 179725, 272095, 380933, 707447, 1360475, 1904665, 3537235, 4299101, 4952129, 9523325, 17686175, 21495505, 24760645, 30093707, 55888313, 107477525, 123803225, 150468535, 279441565, 391218191, 752342675, 1397207825, 1956090955, 9780454775]

約数ペア:

[(1, 9780454775), (5, 1956090955), (7, 1397207825), (13, 752342675), (25, 391218191), (35, 279441565), (65, 150468535), (79, 123803225), (91, 107477525), (175, 55888313), (325, 30093707), (395, 24760645), (455, 21495505), (553, 17686175), (1027, 9523325), (1975, 4952129), (2275, 4299101), (2765, 3537235), (5135, 1904665), (7189, 1360475), (13825, 707447), (25675, 380933), (35945, 272095), (54419, 179725)]