20219400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 69638400

約数和(自身を除く): 49419000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 47, 50, 60, 72, 75, 90, 94, 100, 120, 141, 150, 180, 188, 200, 225, 235, 239, 282, 300, 360, 376, 423, 450, 470, 478, 564, 600, 705, 717, 846, 900, 940, 956, 1128, 1175, 1195, 1410, 1434, 1692, 1800, 1880, 1912, 2115, 2151, 2350, 2390, 2820, 2868, 3384, 3525, 3585, 4230, 4302, 4700, 4780, 5640, 5736, 5975, 7050, 7170, 8460, 8604, 9400, 9560, 10575, 10755, 11233, 11950, 14100, 14340, 16920, 17208, 17925, 21150, 21510, 22466, 23900, 28200, 28680, 33699, 35850, 42300, 43020, 44932, 47800, 53775, 56165, 67398, 71700, 84600, 86040, 89864, 101097, 107550, 112330, 134796, 143400, 168495, 202194, 215100, 224660, 269592, 280825, 336990, 404388, 430200, 449320, 505485, 561650, 673980, 808776, 842475, 1010970, 1123300, 1347960, 1684950, 2021940, 2246600, 2527425, 3369900, 4043880, 5054850, 6739800, 10109700, 20219400]

約数ペア:

[(1, 20219400), (2, 10109700), (3, 6739800), (4, 5054850), (5, 4043880), (6, 3369900), (8, 2527425), (9, 2246600), (10, 2021940), (12, 1684950), (15, 1347960), (18, 1123300), (20, 1010970), (24, 842475), (25, 808776), (30, 673980), (36, 561650), (40, 505485), (45, 449320), (47, 430200), (50, 404388), (60, 336990), (72, 280825), (75, 269592), (90, 224660), (94, 215100), (100, 202194), (120, 168495), (141, 143400), (150, 134796), (180, 112330), (188, 107550), (200, 101097), (225, 89864), (235, 86040), (239, 84600), (282, 71700), (300, 67398), (360, 56165), (376, 53775), (423, 47800), (450, 44932), (470, 43020), (478, 42300), (564, 35850), (600, 33699), (705, 28680), (717, 28200), (846, 23900), (900, 22466), (940, 21510), (956, 21150), (1128, 17925), (1175, 17208), (1195, 16920), (1410, 14340), (1434, 14100), (1692, 11950), (1800, 11233), (1880, 10755), (1912, 10575), (2115, 9560), (2151, 9400), (2350, 8604), (2390, 8460), (2820, 7170), (2868, 7050), (3384, 5975), (3525, 5736), (3585, 5640), (4230, 4780), (4302, 4700)]