191071600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 499412480

約数和(自身を除く): 308340880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 760, 775, 811, 950, 1178, 1240, 1520, 1550, 1622, 1900, 2356, 2480, 2945, 3100, 3244, 3800, 4055, 4712, 5890, 6200, 6488, 7600, 8110, 9424, 11780, 12400, 12976, 14725, 15409, 16220, 20275, 23560, 25141, 29450, 30818, 32440, 40550, 47120, 50282, 58900, 61636, 64880, 77045, 81100, 100564, 117800, 123272, 125705, 154090, 162200, 201128, 235600, 246544, 251410, 308180, 324400, 385225, 402256, 477679, 502820, 616360, 628525, 770450, 955358, 1005640, 1232720, 1257050, 1540900, 1910716, 2011280, 2388395, 2514100, 3081800, 3821432, 4776790, 5028200, 6163600, 7642864, 9553580, 10056400, 11941975, 19107160, 23883950, 38214320, 47767900, 95535800, 191071600]

約数ペア:

[(1, 191071600), (2, 95535800), (4, 47767900), (5, 38214320), (8, 23883950), (10, 19107160), (16, 11941975), (19, 10056400), (20, 9553580), (25, 7642864), (31, 6163600), (38, 5028200), (40, 4776790), (50, 3821432), (62, 3081800), (76, 2514100), (80, 2388395), (95, 2011280), (100, 1910716), (124, 1540900), (152, 1257050), (155, 1232720), (190, 1005640), (200, 955358), (248, 770450), (304, 628525), (310, 616360), (380, 502820), (400, 477679), (475, 402256), (496, 385225), (589, 324400), (620, 308180), (760, 251410), (775, 246544), (811, 235600), (950, 201128), (1178, 162200), (1240, 154090), (1520, 125705), (1550, 123272), (1622, 117800), (1900, 100564), (2356, 81100), (2480, 77045), (2945, 64880), (3100, 61636), (3244, 58900), (3800, 50282), (4055, 47120), (4712, 40550), (5890, 32440), (6200, 30818), (6488, 29450), (7600, 25141), (8110, 23560), (9424, 20275), (11780, 16220), (12400, 15409), (12976, 14725)]