217629440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 603977472

約数和(自身を除く): 386348032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 227, 256, 280, 320, 428, 448, 454, 535, 560, 640, 749, 856, 896, 908, 1070, 1120, 1135, 1280, 1498, 1589, 1712, 1792, 1816, 2140, 2240, 2270, 2996, 3178, 3424, 3632, 3745, 4280, 4480, 4540, 5992, 6356, 6848, 7264, 7490, 7945, 8560, 8960, 9080, 11984, 12712, 13696, 14528, 14980, 15890, 17120, 18160, 23968, 24289, 25424, 27392, 29056, 29960, 31780, 34240, 36320, 47936, 48578, 50848, 58112, 59920, 63560, 68480, 72640, 95872, 97156, 101696, 119840, 121445, 127120, 136960, 145280, 170023, 191744, 194312, 203392, 239680, 242890, 254240, 290560, 340046, 388624, 406784, 479360, 485780, 508480, 680092, 777248, 850115, 958720, 971560, 1016960, 1360184, 1554496, 1700230, 1943120, 2033920, 2720368, 3108992, 3400460, 3886240, 5440736, 6217984, 6800920, 7772480, 10881472, 13601840, 15544960, 21762944, 27203680, 31089920, 43525888, 54407360, 108814720, 217629440]

約数ペア:

[(1, 217629440), (2, 108814720), (4, 54407360), (5, 43525888), (7, 31089920), (8, 27203680), (10, 21762944), (14, 15544960), (16, 13601840), (20, 10881472), (28, 7772480), (32, 6800920), (35, 6217984), (40, 5440736), (56, 3886240), (64, 3400460), (70, 3108992), (80, 2720368), (107, 2033920), (112, 1943120), (128, 1700230), (140, 1554496), (160, 1360184), (214, 1016960), (224, 971560), (227, 958720), (256, 850115), (280, 777248), (320, 680092), (428, 508480), (448, 485780), (454, 479360), (535, 406784), (560, 388624), (640, 340046), (749, 290560), (856, 254240), (896, 242890), (908, 239680), (1070, 203392), (1120, 194312), (1135, 191744), (1280, 170023), (1498, 145280), (1589, 136960), (1712, 127120), (1792, 121445), (1816, 119840), (2140, 101696), (2240, 97156), (2270, 95872), (2996, 72640), (3178, 68480), (3424, 63560), (3632, 59920), (3745, 58112), (4280, 50848), (4480, 48578), (4540, 47936), (5992, 36320), (6356, 34240), (6848, 31780), (7264, 29960), (7490, 29056), (7945, 27392), (8560, 25424), (8960, 24289), (9080, 23968), (11984, 18160), (12712, 17120), (13696, 15890), (14528, 14980)]