355231875

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 629798400

約数和(自身を除く): 274566525

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 125, 139, 141, 145, 235, 375, 417, 435, 625, 695, 705, 725, 1175, 1363, 1875, 2085, 2175, 3475, 3525, 3625, 4031, 4089, 5875, 6533, 6815, 10425, 10875, 12093, 17375, 17625, 18125, 19599, 20155, 20445, 29375, 32665, 34075, 52125, 54375, 60465, 86875, 88125, 97995, 100775, 102225, 163325, 170375, 189457, 260625, 302325, 489975, 503875, 511125, 568371, 816625, 851875, 947285, 1511625, 2449875, 2519375, 2555625, 2841855, 4083125, 4736425, 7558125, 12249375, 14209275, 23682125, 71046375, 118410625, 355231875]

約数ペア:

[(1, 355231875), (3, 118410625), (5, 71046375), (15, 23682125), (25, 14209275), (29, 12249375), (47, 7558125), (75, 4736425), (87, 4083125), (125, 2841855), (139, 2555625), (141, 2519375), (145, 2449875), (235, 1511625), (375, 947285), (417, 851875), (435, 816625), (625, 568371), (695, 511125), (705, 503875), (725, 489975), (1175, 302325), (1363, 260625), (1875, 189457), (2085, 170375), (2175, 163325), (3475, 102225), (3525, 100775), (3625, 97995), (4031, 88125), (4089, 86875), (5875, 60465), (6533, 54375), (6815, 52125), (10425, 34075), (10875, 32665), (12093, 29375), (17375, 20445), (17625, 20155), (18125, 19599)]