304849820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{5477}}^1$

素因数の和:5531

約数の個数: 72

約数和(自身を含む): 734402592

約数和(自身を除く): 429552772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5477, 5566, 10954, 11132, 13915, 21908, 27385, 27830, 54770, 55660, 60247, 109540, 120494, 125971, 240988, 251942, 301235, 503884, 602470, 629855, 662717, 1204940, 1259710, 1325434, 1385681, 2519420, 2650868, 2771362, 3313585, 5542724, 6627170, 6928405, 13254340, 13856810, 15242491, 27713620, 30484982, 60969964, 76212455, 152424910, 304849820]

約数ペア:

[(1, 304849820), (2, 152424910), (4, 76212455), (5, 60969964), (10, 30484982), (11, 27713620), (20, 15242491), (22, 13856810), (23, 13254340), (44, 6928405), (46, 6627170), (55, 5542724), (92, 3313585), (110, 2771362), (115, 2650868), (121, 2519420), (220, 1385681), (230, 1325434), (242, 1259710), (253, 1204940), (460, 662717), (484, 629855), (506, 602470), (605, 503884), (1012, 301235), (1210, 251942), (1265, 240988), (2420, 125971), (2530, 120494), (2783, 109540), (5060, 60247), (5477, 55660), (5566, 54770), (10954, 27830), (11132, 27385), (13915, 21908)]