298931640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1489}}^1$

素因数の和:1749

約数の個数: 128

約数和(自身を含む): 1029888000

約数和(自身を除く): 730956360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1434, 1489, 1673, 1912, 2390, 2868, 2978, 3346, 3585, 4467, 4780, 5019, 5736, 5956, 6692, 7170, 7445, 8365, 8934, 9560, 10038, 10423, 11912, 13384, 14340, 14890, 16730, 17868, 20076, 20846, 22335, 25095, 28680, 29780, 31269, 33460, 35736, 40152, 41692, 44670, 50190, 52115, 59560, 62538, 66920, 83384, 89340, 100380, 104230, 125076, 156345, 178680, 200760, 208460, 250152, 312690, 355871, 416920, 625380, 711742, 1067613, 1250760, 1423484, 1779355, 2135226, 2491097, 2846968, 3558710, 4270452, 4982194, 5338065, 7117420, 7473291, 8540904, 9964388, 10676130, 12455485, 14234840, 14946582, 19928776, 21352260, 24910970, 29893164, 37366455, 42704520, 49821940, 59786328, 74732910, 99643880, 149465820, 298931640]

約数ペア:

[(1, 298931640), (2, 149465820), (3, 99643880), (4, 74732910), (5, 59786328), (6, 49821940), (7, 42704520), (8, 37366455), (10, 29893164), (12, 24910970), (14, 21352260), (15, 19928776), (20, 14946582), (21, 14234840), (24, 12455485), (28, 10676130), (30, 9964388), (35, 8540904), (40, 7473291), (42, 7117420), (56, 5338065), (60, 4982194), (70, 4270452), (84, 3558710), (105, 2846968), (120, 2491097), (140, 2135226), (168, 1779355), (210, 1423484), (239, 1250760), (280, 1067613), (420, 711742), (478, 625380), (717, 416920), (840, 355871), (956, 312690), (1195, 250152), (1434, 208460), (1489, 200760), (1673, 178680), (1912, 156345), (2390, 125076), (2868, 104230), (2978, 100380), (3346, 89340), (3585, 83384), (4467, 66920), (4780, 62538), (5019, 59560), (5736, 52115), (5956, 50190), (6692, 44670), (7170, 41692), (7445, 40152), (8365, 35736), (8934, 33460), (9560, 31269), (10038, 29780), (10423, 28680), (11912, 25095), (13384, 22335), (14340, 20846), (14890, 20076), (16730, 17868)]