1720004830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{461}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 3323073600

約数和(自身を除く): 1603068770

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 269, 365, 461, 538, 730, 922, 1345, 1387, 2305, 2690, 2774, 4610, 5111, 6935, 8759, 10222, 13870, 17518, 19637, 25555, 33653, 39274, 43795, 51110, 67306, 87590, 98185, 124009, 168265, 196370, 248018, 336530, 373103, 620045, 639407, 746206, 1240090, 1278814, 1865515, 2356171, 3197035, 3731030, 4712342, 6394070, 9052657, 11780855, 18105314, 23561710, 45263285, 90526570, 172000483, 344000966, 860002415, 1720004830]

約数ペア:

[(1, 1720004830), (2, 860002415), (5, 344000966), (10, 172000483), (19, 90526570), (38, 45263285), (73, 23561710), (95, 18105314), (146, 11780855), (190, 9052657), (269, 6394070), (365, 4712342), (461, 3731030), (538, 3197035), (730, 2356171), (922, 1865515), (1345, 1278814), (1387, 1240090), (2305, 746206), (2690, 639407), (2774, 620045), (4610, 373103), (5111, 336530), (6935, 248018), (8759, 196370), (10222, 168265), (13870, 124009), (17518, 98185), (19637, 87590), (25555, 67306), (33653, 51110), (39274, 43795)]