200719420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1619

約数の個数: 96

約数和(自身を含む): 499968000

約数和(自身を除く): 299248580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 620, 682, 836, 1045, 1178, 1364, 1549, 1705, 2090, 2356, 2945, 3098, 3410, 4180, 5890, 6196, 6479, 6820, 7745, 11780, 12958, 15490, 17039, 25916, 29431, 30980, 32395, 34078, 48019, 58862, 64790, 68156, 85195, 96038, 117724, 129580, 147155, 170390, 192076, 240095, 294310, 323741, 340780, 480190, 528209, 588620, 647482, 912361, 960380, 1056418, 1294964, 1618705, 1824722, 2112836, 2641045, 3237410, 3649444, 4561805, 5282090, 6474820, 9123610, 10035971, 10564180, 18247220, 20071942, 40143884, 50179855, 100359710, 200719420]

約数ペア:

[(1, 200719420), (2, 100359710), (4, 50179855), (5, 40143884), (10, 20071942), (11, 18247220), (19, 10564180), (20, 10035971), (22, 9123610), (31, 6474820), (38, 5282090), (44, 4561805), (55, 3649444), (62, 3237410), (76, 2641045), (95, 2112836), (110, 1824722), (124, 1618705), (155, 1294964), (190, 1056418), (209, 960380), (220, 912361), (310, 647482), (341, 588620), (380, 528209), (418, 480190), (589, 340780), (620, 323741), (682, 294310), (836, 240095), (1045, 192076), (1178, 170390), (1364, 147155), (1549, 129580), (1705, 117724), (2090, 96038), (2356, 85195), (2945, 68156), (3098, 64790), (3410, 58862), (4180, 48019), (5890, 34078), (6196, 32395), (6479, 30980), (6820, 29431), (7745, 25916), (11780, 17039), (12958, 15490)]