856878440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{5711}}^1$

素因数の和:5775

約数の個数: 96

約数和(自身を含む): 2187924480

約数和(自身を除く): 1331046040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1705, 2420, 2728, 3410, 3751, 4840, 5711, 6820, 7502, 11422, 13640, 15004, 18755, 22844, 28555, 30008, 37510, 45688, 57110, 62821, 75020, 114220, 125642, 150040, 177041, 228440, 251284, 314105, 354082, 502568, 628210, 691031, 708164, 885205, 1256420, 1382062, 1416328, 1770410, 1947451, 2512840, 2764124, 3455155, 3540820, 3894902, 5528248, 6910310, 7081640, 7789804, 9737255, 13820620, 15579608, 19474510, 21421961, 27641240, 38949020, 42843922, 77898040, 85687844, 107109805, 171375688, 214219610, 428439220, 856878440]

約数ペア:

[(1, 856878440), (2, 428439220), (4, 214219610), (5, 171375688), (8, 107109805), (10, 85687844), (11, 77898040), (20, 42843922), (22, 38949020), (31, 27641240), (40, 21421961), (44, 19474510), (55, 15579608), (62, 13820620), (88, 9737255), (110, 7789804), (121, 7081640), (124, 6910310), (155, 5528248), (220, 3894902), (242, 3540820), (248, 3455155), (310, 2764124), (341, 2512840), (440, 1947451), (484, 1770410), (605, 1416328), (620, 1382062), (682, 1256420), (968, 885205), (1210, 708164), (1240, 691031), (1364, 628210), (1705, 502568), (2420, 354082), (2728, 314105), (3410, 251284), (3751, 228440), (4840, 177041), (5711, 150040), (6820, 125642), (7502, 114220), (11422, 75020), (13640, 62821), (15004, 57110), (18755, 45688), (22844, 37510), (28555, 30008)]