8281340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 19458432

約数和(自身を除く): 11177092

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 37, 38, 62, 74, 76, 95, 124, 148, 155, 185, 190, 310, 361, 370, 380, 589, 620, 703, 722, 740, 1147, 1178, 1406, 1444, 1805, 2294, 2356, 2812, 2945, 3515, 3610, 4588, 5735, 5890, 7030, 7220, 11191, 11470, 11780, 13357, 14060, 21793, 22382, 22940, 26714, 43586, 44764, 53428, 55955, 66785, 87172, 108965, 111910, 133570, 217930, 223820, 267140, 414067, 435860, 828134, 1656268, 2070335, 4140670, 8281340]

約数ペア:

[(1, 8281340), (2, 4140670), (4, 2070335), (5, 1656268), (10, 828134), (19, 435860), (20, 414067), (31, 267140), (37, 223820), (38, 217930), (62, 133570), (74, 111910), (76, 108965), (95, 87172), (124, 66785), (148, 55955), (155, 53428), (185, 44764), (190, 43586), (310, 26714), (361, 22940), (370, 22382), (380, 21793), (589, 14060), (620, 13357), (703, 11780), (722, 11470), (740, 11191), (1147, 7220), (1178, 7030), (1406, 5890), (1444, 5735), (1805, 4588), (2294, 3610), (2356, 3515), (2812, 2945)]