347989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 944455680

約数和(自身を除く): 596465800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 188, 217, 235, 248, 280, 310, 329, 376, 434, 470, 620, 658, 853, 868, 940, 1085, 1240, 1316, 1457, 1645, 1706, 1736, 1880, 2170, 2632, 2914, 3290, 3412, 4265, 4340, 5828, 5971, 6580, 6824, 7285, 8530, 8680, 10199, 11656, 11942, 13160, 14570, 17060, 20398, 23884, 26443, 29140, 29855, 34120, 40091, 40796, 47768, 50995, 52886, 58280, 59710, 80182, 81592, 101990, 105772, 119420, 132215, 160364, 185101, 200455, 203980, 211544, 238840, 264430, 280637, 320728, 370202, 400910, 407960, 528860, 561274, 740404, 801820, 925505, 1057720, 1122548, 1242821, 1403185, 1480808, 1603640, 1851010, 2245096, 2485642, 2806370, 3702020, 4971284, 5612740, 6214105, 7404040, 8699747, 9942568, 11225480, 12428210, 17399494, 24856420, 34798988, 43498735, 49712840, 69597976, 86997470, 173994940, 347989880]

約数ペア:

[(1, 347989880), (2, 173994940), (4, 86997470), (5, 69597976), (7, 49712840), (8, 43498735), (10, 34798988), (14, 24856420), (20, 17399494), (28, 12428210), (31, 11225480), (35, 9942568), (40, 8699747), (47, 7404040), (56, 6214105), (62, 5612740), (70, 4971284), (94, 3702020), (124, 2806370), (140, 2485642), (155, 2245096), (188, 1851010), (217, 1603640), (235, 1480808), (248, 1403185), (280, 1242821), (310, 1122548), (329, 1057720), (376, 925505), (434, 801820), (470, 740404), (620, 561274), (658, 528860), (853, 407960), (868, 400910), (940, 370202), (1085, 320728), (1240, 280637), (1316, 264430), (1457, 238840), (1645, 211544), (1706, 203980), (1736, 200455), (1880, 185101), (2170, 160364), (2632, 132215), (2914, 119420), (3290, 105772), (3412, 101990), (4265, 81592), (4340, 80182), (5828, 59710), (5971, 58280), (6580, 52886), (6824, 50995), (7285, 47768), (8530, 40796), (8680, 40091), (10199, 34120), (11656, 29855), (11942, 29140), (13160, 26443), (14570, 23884), (17060, 20398)]