131656400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 90

約数和(自身を含む): 325346550

約数和(自身を除く): 193690150

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 149, 188, 200, 235, 298, 376, 400, 470, 596, 745, 752, 940, 1175, 1192, 1490, 1880, 2209, 2350, 2384, 2980, 3725, 3760, 4418, 4700, 5960, 7003, 7450, 8836, 9400, 11045, 11920, 14006, 14900, 17672, 18800, 22090, 28012, 29800, 35015, 35344, 44180, 55225, 56024, 59600, 70030, 88360, 110450, 112048, 140060, 175075, 176720, 220900, 280120, 329141, 350150, 441800, 560240, 658282, 700300, 883600, 1316564, 1400600, 1645705, 2633128, 2801200, 3291410, 5266256, 6582820, 8228525, 13165640, 16457050, 26331280, 32914100, 65828200, 131656400]

約数ペア:

[(1, 131656400), (2, 65828200), (4, 32914100), (5, 26331280), (8, 16457050), (10, 13165640), (16, 8228525), (20, 6582820), (25, 5266256), (40, 3291410), (47, 2801200), (50, 2633128), (80, 1645705), (94, 1400600), (100, 1316564), (149, 883600), (188, 700300), (200, 658282), (235, 560240), (298, 441800), (376, 350150), (400, 329141), (470, 280120), (596, 220900), (745, 176720), (752, 175075), (940, 140060), (1175, 112048), (1192, 110450), (1490, 88360), (1880, 70030), (2209, 59600), (2350, 56024), (2384, 55225), (2980, 44180), (3725, 35344), (3760, 35015), (4418, 29800), (4700, 28012), (5960, 22090), (7003, 18800), (7450, 17672), (8836, 14900), (9400, 14006), (11045, 11920)]