7404040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 19676160

約数和(自身を除く): 12272120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 853, 868, 1085, 1240, 1706, 1736, 2170, 3412, 4265, 4340, 5971, 6824, 8530, 8680, 11942, 17060, 23884, 26443, 29855, 34120, 47768, 52886, 59710, 105772, 119420, 132215, 185101, 211544, 238840, 264430, 370202, 528860, 740404, 925505, 1057720, 1480808, 1851010, 3702020, 7404040]

約数ペア:

[(1, 7404040), (2, 3702020), (4, 1851010), (5, 1480808), (7, 1057720), (8, 925505), (10, 740404), (14, 528860), (20, 370202), (28, 264430), (31, 238840), (35, 211544), (40, 185101), (56, 132215), (62, 119420), (70, 105772), (124, 59710), (140, 52886), (155, 47768), (217, 34120), (248, 29855), (280, 26443), (310, 23884), (434, 17060), (620, 11942), (853, 8680), (868, 8530), (1085, 6824), (1240, 5971), (1706, 4340), (1736, 4265), (2170, 3412)]