9821420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 24689952

約数和(自身を除く): 14868532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 292, 310, 365, 434, 511, 620, 730, 868, 961, 1022, 1085, 1460, 1922, 2044, 2170, 2263, 2555, 3844, 4340, 4526, 4805, 5110, 6727, 9052, 9610, 10220, 11315, 13454, 15841, 19220, 22630, 26908, 31682, 33635, 45260, 63364, 67270, 70153, 79205, 134540, 140306, 158410, 280612, 316820, 350765, 491071, 701530, 982142, 1403060, 1964284, 2455355, 4910710, 9821420]

約数ペア:

[(1, 9821420), (2, 4910710), (4, 2455355), (5, 1964284), (7, 1403060), (10, 982142), (14, 701530), (20, 491071), (28, 350765), (31, 316820), (35, 280612), (62, 158410), (70, 140306), (73, 134540), (124, 79205), (140, 70153), (146, 67270), (155, 63364), (217, 45260), (292, 33635), (310, 31682), (365, 26908), (434, 22630), (511, 19220), (620, 15841), (730, 13454), (868, 11315), (961, 10220), (1022, 9610), (1085, 9052), (1460, 6727), (1922, 5110), (2044, 4805), (2170, 4526), (2263, 4340), (2555, 3844)]