387400000

素因数分解:

$2^6\times 5^5\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 1041730200

約数和(自身を除く): 654330200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 149, 160, 200, 208, 250, 260, 298, 320, 325, 400, 416, 500, 520, 596, 625, 650, 745, 800, 832, 1000, 1040, 1192, 1250, 1300, 1490, 1600, 1625, 1937, 2000, 2080, 2384, 2500, 2600, 2980, 3125, 3250, 3725, 3874, 4000, 4160, 4768, 5000, 5200, 5960, 6250, 6500, 7450, 7748, 8000, 8125, 9536, 9685, 10000, 10400, 11920, 12500, 13000, 14900, 15496, 16250, 18625, 19370, 20000, 20800, 23840, 25000, 26000, 29800, 30992, 32500, 37250, 38740, 40000, 40625, 47680, 48425, 50000, 52000, 59600, 61984, 65000, 74500, 77480, 81250, 93125, 96850, 100000, 104000, 119200, 123968, 130000, 149000, 154960, 162500, 186250, 193700, 200000, 238400, 242125, 260000, 298000, 309920, 325000, 372500, 387400, 465625, 484250, 520000, 596000, 619840, 650000, 745000, 774800, 931250, 968500, 1192000, 1210625, 1300000, 1490000, 1549600, 1862500, 1937000, 2421250, 2600000, 2980000, 3099200, 3725000, 3874000, 4842500, 5960000, 6053125, 7450000, 7748000, 9685000, 12106250, 14900000, 15496000, 19370000, 24212500, 29800000, 38740000, 48425000, 77480000, 96850000, 193700000, 387400000]

約数ペア:

[(1, 387400000), (2, 193700000), (4, 96850000), (5, 77480000), (8, 48425000), (10, 38740000), (13, 29800000), (16, 24212500), (20, 19370000), (25, 15496000), (26, 14900000), (32, 12106250), (40, 9685000), (50, 7748000), (52, 7450000), (64, 6053125), (65, 5960000), (80, 4842500), (100, 3874000), (104, 3725000), (125, 3099200), (130, 2980000), (149, 2600000), (160, 2421250), (200, 1937000), (208, 1862500), (250, 1549600), (260, 1490000), (298, 1300000), (320, 1210625), (325, 1192000), (400, 968500), (416, 931250), (500, 774800), (520, 745000), (596, 650000), (625, 619840), (650, 596000), (745, 520000), (800, 484250), (832, 465625), (1000, 387400), (1040, 372500), (1192, 325000), (1250, 309920), (1300, 298000), (1490, 260000), (1600, 242125), (1625, 238400), (1937, 200000), (2000, 193700), (2080, 186250), (2384, 162500), (2500, 154960), (2600, 149000), (2980, 130000), (3125, 123968), (3250, 119200), (3725, 104000), (3874, 100000), (4000, 96850), (4160, 93125), (4768, 81250), (5000, 77480), (5200, 74500), (5960, 65000), (6250, 61984), (6500, 59600), (7450, 52000), (7748, 50000), (8000, 48425), (8125, 47680), (9536, 40625), (9685, 40000), (10000, 38740), (10400, 37250), (11920, 32500), (12500, 30992), (13000, 29800), (14900, 26000), (15496, 25000), (16250, 23840), (18625, 20800), (19370, 20000)]