313090000

素因数分解:

$2^4\times 5^4\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 100

約数和(自身を含む): 767004480

約数和(自身を除く): 453914480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 239, 250, 262, 400, 478, 500, 524, 625, 655, 956, 1000, 1048, 1195, 1250, 1310, 1912, 2000, 2096, 2390, 2500, 2620, 3275, 3824, 4780, 5000, 5240, 5975, 6550, 9560, 10000, 10480, 11950, 13100, 16375, 19120, 23900, 26200, 29875, 31309, 32750, 47800, 52400, 59750, 62618, 65500, 81875, 95600, 119500, 125236, 131000, 149375, 156545, 163750, 239000, 250472, 262000, 298750, 313090, 327500, 478000, 500944, 597500, 626180, 655000, 782725, 1195000, 1252360, 1310000, 1565450, 2390000, 2504720, 3130900, 3913625, 6261800, 7827250, 12523600, 15654500, 19568125, 31309000, 39136250, 62618000, 78272500, 156545000, 313090000]

約数ペア:

[(1, 313090000), (2, 156545000), (4, 78272500), (5, 62618000), (8, 39136250), (10, 31309000), (16, 19568125), (20, 15654500), (25, 12523600), (40, 7827250), (50, 6261800), (80, 3913625), (100, 3130900), (125, 2504720), (131, 2390000), (200, 1565450), (239, 1310000), (250, 1252360), (262, 1195000), (400, 782725), (478, 655000), (500, 626180), (524, 597500), (625, 500944), (655, 478000), (956, 327500), (1000, 313090), (1048, 298750), (1195, 262000), (1250, 250472), (1310, 239000), (1912, 163750), (2000, 156545), (2096, 149375), (2390, 131000), (2500, 125236), (2620, 119500), (3275, 95600), (3824, 81875), (4780, 65500), (5000, 62618), (5240, 59750), (5975, 52400), (6550, 47800), (9560, 32750), (10000, 31309), (10480, 29875), (11950, 26200), (13100, 23900), (16375, 19120)]