218697920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1210

約数の個数: 112

約数和(自身を含む): 602406720

約数和(自身を除く): 383708800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1097, 1120, 1246, 1424, 1780, 2194, 2240, 2492, 2848, 3115, 3560, 4388, 4984, 5485, 5696, 6230, 7120, 7679, 8776, 9968, 10970, 12460, 14240, 15358, 17552, 19936, 21940, 24920, 28480, 30716, 35104, 38395, 39872, 43880, 49840, 61432, 70208, 76790, 87760, 97633, 99680, 122864, 153580, 175520, 195266, 199360, 245728, 307160, 351040, 390532, 488165, 491456, 614320, 683431, 781064, 976330, 1228640, 1366862, 1562128, 1952660, 2457280, 2733724, 3124256, 3417155, 3905320, 5467448, 6248512, 6834310, 7810640, 10934896, 13668620, 15621280, 21869792, 27337240, 31242560, 43739584, 54674480, 109348960, 218697920]

約数ペア:

[(1, 218697920), (2, 109348960), (4, 54674480), (5, 43739584), (7, 31242560), (8, 27337240), (10, 21869792), (14, 15621280), (16, 13668620), (20, 10934896), (28, 7810640), (32, 6834310), (35, 6248512), (40, 5467448), (56, 3905320), (64, 3417155), (70, 3124256), (80, 2733724), (89, 2457280), (112, 1952660), (140, 1562128), (160, 1366862), (178, 1228640), (224, 976330), (280, 781064), (320, 683431), (356, 614320), (445, 491456), (448, 488165), (560, 390532), (623, 351040), (712, 307160), (890, 245728), (1097, 199360), (1120, 195266), (1246, 175520), (1424, 153580), (1780, 122864), (2194, 99680), (2240, 97633), (2492, 87760), (2848, 76790), (3115, 70208), (3560, 61432), (4388, 49840), (4984, 43880), (5485, 39872), (5696, 38395), (6230, 35104), (7120, 30716), (7679, 28480), (8776, 24920), (9968, 21940), (10970, 19936), (12460, 17552), (14240, 15358)]