131020400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 365241504

約数和(自身を除く): 234221104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 73, 80, 100, 112, 140, 146, 175, 200, 280, 292, 350, 365, 400, 511, 560, 584, 641, 700, 730, 1022, 1168, 1282, 1400, 1460, 1825, 2044, 2555, 2564, 2800, 2920, 3205, 3650, 4088, 4487, 5110, 5128, 5840, 6410, 7300, 8176, 8974, 10220, 10256, 12775, 12820, 14600, 16025, 17948, 20440, 22435, 25550, 25640, 29200, 32050, 35896, 40880, 44870, 46793, 51100, 51280, 64100, 71792, 89740, 93586, 102200, 112175, 128200, 179480, 187172, 204400, 224350, 233965, 256400, 327551, 358960, 374344, 448700, 467930, 655102, 748688, 897400, 935860, 1169825, 1310204, 1637755, 1794800, 1871720, 2339650, 2620408, 3275510, 3743440, 4679300, 5240816, 6551020, 8188775, 9358600, 13102040, 16377550, 18717200, 26204080, 32755100, 65510200, 131020400]

約数ペア:

[(1, 131020400), (2, 65510200), (4, 32755100), (5, 26204080), (7, 18717200), (8, 16377550), (10, 13102040), (14, 9358600), (16, 8188775), (20, 6551020), (25, 5240816), (28, 4679300), (35, 3743440), (40, 3275510), (50, 2620408), (56, 2339650), (70, 1871720), (73, 1794800), (80, 1637755), (100, 1310204), (112, 1169825), (140, 935860), (146, 897400), (175, 748688), (200, 655102), (280, 467930), (292, 448700), (350, 374344), (365, 358960), (400, 327551), (511, 256400), (560, 233965), (584, 224350), (641, 204400), (700, 187172), (730, 179480), (1022, 128200), (1168, 112175), (1282, 102200), (1400, 93586), (1460, 89740), (1825, 71792), (2044, 64100), (2555, 51280), (2564, 51100), (2800, 46793), (2920, 44870), (3205, 40880), (3650, 35896), (4088, 32050), (4487, 29200), (5110, 25640), (5128, 25550), (5840, 22435), (6410, 20440), (7300, 17948), (8176, 16025), (8974, 14600), (10220, 12820), (10256, 12775)]