638499680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43853}}^1$

素因数の和:43888

約数の個数: 96

約数和(自身を含む): 1856602944

約数和(自身を除く): 1218103264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 43853, 87706, 175412, 219265, 306971, 350824, 438530, 570089, 613942, 701648, 877060, 1140178, 1227884, 1403296, 1534855, 1754120, 2280356, 2455768, 2850445, 3069710, 3508240, 3990623, 4560712, 4911536, 5700890, 6139420, 7016480, 7981246, 9121424, 9823072, 11401780, 12278840, 15962492, 18242848, 19953115, 22803560, 24557680, 31924984, 39906230, 45607120, 49115360, 63849968, 79812460, 91214240, 127699936, 159624920, 319249840, 638499680]

約数ペア:

[(1, 638499680), (2, 319249840), (4, 159624920), (5, 127699936), (7, 91214240), (8, 79812460), (10, 63849968), (13, 49115360), (14, 45607120), (16, 39906230), (20, 31924984), (26, 24557680), (28, 22803560), (32, 19953115), (35, 18242848), (40, 15962492), (52, 12278840), (56, 11401780), (65, 9823072), (70, 9121424), (80, 7981246), (91, 7016480), (104, 6139420), (112, 5700890), (130, 4911536), (140, 4560712), (160, 3990623), (182, 3508240), (208, 3069710), (224, 2850445), (260, 2455768), (280, 2280356), (364, 1754120), (416, 1534855), (455, 1403296), (520, 1227884), (560, 1140178), (728, 877060), (910, 701648), (1040, 613942), (1120, 570089), (1456, 438530), (1820, 350824), (2080, 306971), (2912, 219265), (3640, 175412), (7280, 87706), (14560, 43853)]