38740000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 103326300

約数和(自身を除く): 64586300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 149, 160, 200, 208, 250, 260, 298, 325, 400, 416, 500, 520, 596, 625, 650, 745, 800, 1000, 1040, 1192, 1250, 1300, 1490, 1625, 1937, 2000, 2080, 2384, 2500, 2600, 2980, 3250, 3725, 3874, 4000, 4768, 5000, 5200, 5960, 6500, 7450, 7748, 8125, 9685, 10000, 10400, 11920, 13000, 14900, 15496, 16250, 18625, 19370, 20000, 23840, 26000, 29800, 30992, 32500, 37250, 38740, 48425, 52000, 59600, 61984, 65000, 74500, 77480, 93125, 96850, 119200, 130000, 149000, 154960, 186250, 193700, 242125, 260000, 298000, 309920, 372500, 387400, 484250, 596000, 745000, 774800, 968500, 1210625, 1490000, 1549600, 1937000, 2421250, 2980000, 3874000, 4842500, 7748000, 9685000, 19370000, 38740000]

約数ペア:

[(1, 38740000), (2, 19370000), (4, 9685000), (5, 7748000), (8, 4842500), (10, 3874000), (13, 2980000), (16, 2421250), (20, 1937000), (25, 1549600), (26, 1490000), (32, 1210625), (40, 968500), (50, 774800), (52, 745000), (65, 596000), (80, 484250), (100, 387400), (104, 372500), (125, 309920), (130, 298000), (149, 260000), (160, 242125), (200, 193700), (208, 186250), (250, 154960), (260, 149000), (298, 130000), (325, 119200), (400, 96850), (416, 93125), (500, 77480), (520, 74500), (596, 65000), (625, 61984), (650, 59600), (745, 52000), (800, 48425), (1000, 38740), (1040, 37250), (1192, 32500), (1250, 30992), (1300, 29800), (1490, 26000), (1625, 23840), (1937, 20000), (2000, 19370), (2080, 18625), (2384, 16250), (2500, 15496), (2600, 14900), (2980, 13000), (3250, 11920), (3725, 10400), (3874, 10000), (4000, 9685), (4768, 8125), (5000, 7748), (5200, 7450), (5960, 6500)]