18770100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 59371200

約数和(自身を除く): 40601100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 89, 95, 100, 111, 114, 148, 150, 178, 185, 190, 222, 228, 267, 285, 300, 356, 370, 380, 444, 445, 475, 534, 555, 570, 703, 740, 890, 925, 950, 1068, 1110, 1140, 1335, 1406, 1425, 1691, 1780, 1850, 1900, 2109, 2220, 2225, 2670, 2775, 2812, 2850, 3293, 3382, 3515, 3700, 4218, 4450, 5073, 5340, 5550, 5700, 6586, 6675, 6764, 7030, 8436, 8455, 8900, 9879, 10146, 10545, 11100, 13172, 13350, 14060, 16465, 16910, 17575, 19758, 20292, 21090, 25365, 26700, 32930, 33820, 35150, 39516, 42180, 42275, 49395, 50730, 52725, 62567, 65860, 70300, 82325, 84550, 98790, 101460, 105450, 125134, 126825, 164650, 169100, 187701, 197580, 210900, 246975, 250268, 253650, 312835, 329300, 375402, 493950, 507300, 625670, 750804, 938505, 987900, 1251340, 1564175, 1877010, 3128350, 3754020, 4692525, 6256700, 9385050, 18770100]

約数ペア:

[(1, 18770100), (2, 9385050), (3, 6256700), (4, 4692525), (5, 3754020), (6, 3128350), (10, 1877010), (12, 1564175), (15, 1251340), (19, 987900), (20, 938505), (25, 750804), (30, 625670), (37, 507300), (38, 493950), (50, 375402), (57, 329300), (60, 312835), (74, 253650), (75, 250268), (76, 246975), (89, 210900), (95, 197580), (100, 187701), (111, 169100), (114, 164650), (148, 126825), (150, 125134), (178, 105450), (185, 101460), (190, 98790), (222, 84550), (228, 82325), (267, 70300), (285, 65860), (300, 62567), (356, 52725), (370, 50730), (380, 49395), (444, 42275), (445, 42180), (475, 39516), (534, 35150), (555, 33820), (570, 32930), (703, 26700), (740, 25365), (890, 21090), (925, 20292), (950, 19758), (1068, 17575), (1110, 16910), (1140, 16465), (1335, 14060), (1406, 13350), (1425, 13172), (1691, 11100), (1780, 10545), (1850, 10146), (1900, 9879), (2109, 8900), (2220, 8455), (2225, 8436), (2670, 7030), (2775, 6764), (2812, 6675), (2850, 6586), (3293, 5700), (3382, 5550), (3515, 5340), (3700, 5073), (4218, 4450)]