20910000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 200

約数和(自身を含む): 73214064

約数和(自身を除く): 52304064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 41, 48, 50, 51, 60, 68, 75, 80, 82, 85, 100, 102, 120, 123, 125, 136, 150, 164, 170, 200, 204, 205, 240, 246, 250, 255, 272, 300, 328, 340, 375, 400, 408, 410, 425, 492, 500, 510, 600, 615, 625, 656, 680, 697, 750, 816, 820, 850, 984, 1000, 1020, 1025, 1200, 1230, 1250, 1275, 1360, 1394, 1500, 1640, 1700, 1875, 1968, 2000, 2040, 2050, 2091, 2125, 2460, 2500, 2550, 2788, 3000, 3075, 3280, 3400, 3485, 3750, 4080, 4100, 4182, 4250, 4920, 5000, 5100, 5125, 5576, 6000, 6150, 6375, 6800, 6970, 7500, 8200, 8364, 8500, 9840, 10000, 10200, 10250, 10455, 10625, 11152, 12300, 12750, 13940, 15000, 15375, 16400, 16728, 17000, 17425, 20400, 20500, 20910, 21250, 24600, 25500, 25625, 27880, 30000, 30750, 31875, 33456, 34000, 34850, 41000, 41820, 42500, 49200, 51000, 51250, 52275, 55760, 61500, 63750, 69700, 76875, 82000, 83640, 85000, 87125, 102000, 102500, 104550, 123000, 127500, 139400, 153750, 167280, 170000, 174250, 205000, 209100, 246000, 255000, 261375, 278800, 307500, 348500, 410000, 418200, 435625, 510000, 522750, 615000, 697000, 836400, 871250, 1045500, 1230000, 1306875, 1394000, 1742500, 2091000, 2613750, 3485000, 4182000, 5227500, 6970000, 10455000, 20910000]

約数ペア:

[(1, 20910000), (2, 10455000), (3, 6970000), (4, 5227500), (5, 4182000), (6, 3485000), (8, 2613750), (10, 2091000), (12, 1742500), (15, 1394000), (16, 1306875), (17, 1230000), (20, 1045500), (24, 871250), (25, 836400), (30, 697000), (34, 615000), (40, 522750), (41, 510000), (48, 435625), (50, 418200), (51, 410000), (60, 348500), (68, 307500), (75, 278800), (80, 261375), (82, 255000), (85, 246000), (100, 209100), (102, 205000), (120, 174250), (123, 170000), (125, 167280), (136, 153750), (150, 139400), (164, 127500), (170, 123000), (200, 104550), (204, 102500), (205, 102000), (240, 87125), (246, 85000), (250, 83640), (255, 82000), (272, 76875), (300, 69700), (328, 63750), (340, 61500), (375, 55760), (400, 52275), (408, 51250), (410, 51000), (425, 49200), (492, 42500), (500, 41820), (510, 41000), (600, 34850), (615, 34000), (625, 33456), (656, 31875), (680, 30750), (697, 30000), (750, 27880), (816, 25625), (820, 25500), (850, 24600), (984, 21250), (1000, 20910), (1020, 20500), (1025, 20400), (1200, 17425), (1230, 17000), (1250, 16728), (1275, 16400), (1360, 15375), (1394, 15000), (1500, 13940), (1640, 12750), (1700, 12300), (1875, 11152), (1968, 10625), (2000, 10455), (2040, 10250), (2050, 10200), (2091, 10000), (2125, 9840), (2460, 8500), (2500, 8364), (2550, 8200), (2788, 7500), (3000, 6970), (3075, 6800), (3280, 6375), (3400, 6150), (3485, 6000), (3750, 5576), (4080, 5125), (4100, 5100), (4182, 5000), (4250, 4920)]