2171520400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9817}}^1$

素因数の和:9921

約数の個数: 120

約数和(自身を含む): 6038462720

約数和(自身を除く): 3866942320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 175, 200, 280, 316, 350, 395, 400, 553, 560, 632, 700, 790, 1106, 1264, 1400, 1580, 1975, 2212, 2765, 2800, 3160, 3950, 4424, 5530, 6320, 7900, 8848, 9817, 11060, 13825, 15800, 19634, 22120, 27650, 31600, 39268, 44240, 49085, 55300, 68719, 78536, 98170, 110600, 137438, 157072, 196340, 221200, 245425, 274876, 343595, 392680, 490850, 549752, 687190, 775543, 785360, 981700, 1099504, 1374380, 1551086, 1717975, 1963400, 2748760, 3102172, 3435950, 3877715, 3926800, 5428801, 5497520, 6204344, 6871900, 7755430, 10857602, 12408688, 13743800, 15510860, 19388575, 21715204, 27144005, 27487600, 31021720, 38777150, 43430408, 54288010, 62043440, 77554300, 86860816, 108576020, 135720025, 155108600, 217152040, 271440050, 310217200, 434304080, 542880100, 1085760200, 2171520400]

約数ペア:

[(1, 2171520400), (2, 1085760200), (4, 542880100), (5, 434304080), (7, 310217200), (8, 271440050), (10, 217152040), (14, 155108600), (16, 135720025), (20, 108576020), (25, 86860816), (28, 77554300), (35, 62043440), (40, 54288010), (50, 43430408), (56, 38777150), (70, 31021720), (79, 27487600), (80, 27144005), (100, 21715204), (112, 19388575), (140, 15510860), (158, 13743800), (175, 12408688), (200, 10857602), (280, 7755430), (316, 6871900), (350, 6204344), (395, 5497520), (400, 5428801), (553, 3926800), (560, 3877715), (632, 3435950), (700, 3102172), (790, 2748760), (1106, 1963400), (1264, 1717975), (1400, 1551086), (1580, 1374380), (1975, 1099504), (2212, 981700), (2765, 785360), (2800, 775543), (3160, 687190), (3950, 549752), (4424, 490850), (5530, 392680), (6320, 343595), (7900, 274876), (8848, 245425), (9817, 221200), (11060, 196340), (13825, 157072), (15800, 137438), (19634, 110600), (22120, 98170), (27650, 78536), (31600, 68719), (39268, 55300), (44240, 49085)]