419811920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1465

約数の個数: 120

約数和(自身を含む): 1108262400

約数和(自身を除く): 688450480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 880, 968, 1210, 1240, 1364, 1399, 1705, 1936, 2420, 2480, 2728, 2798, 3410, 3751, 4840, 5456, 5596, 6820, 6995, 7502, 9680, 11192, 13640, 13990, 15004, 15389, 18755, 22384, 27280, 27980, 30008, 30778, 37510, 43369, 55960, 60016, 61556, 75020, 76945, 86738, 111920, 123112, 150040, 153890, 169279, 173476, 216845, 246224, 300080, 307780, 338558, 346952, 433690, 477059, 615560, 677116, 693904, 846395, 867380, 954118, 1231120, 1354232, 1692790, 1734760, 1908236, 2385295, 2708464, 3385580, 3469520, 3816472, 4770590, 5247649, 6771160, 7632944, 9541180, 10495298, 13542320, 19082360, 20990596, 26238245, 38164720, 41981192, 52476490, 83962384, 104952980, 209905960, 419811920]

約数ペア:

[(1, 419811920), (2, 209905960), (4, 104952980), (5, 83962384), (8, 52476490), (10, 41981192), (11, 38164720), (16, 26238245), (20, 20990596), (22, 19082360), (31, 13542320), (40, 10495298), (44, 9541180), (55, 7632944), (62, 6771160), (80, 5247649), (88, 4770590), (110, 3816472), (121, 3469520), (124, 3385580), (155, 2708464), (176, 2385295), (220, 1908236), (242, 1734760), (248, 1692790), (310, 1354232), (341, 1231120), (440, 954118), (484, 867380), (496, 846395), (605, 693904), (620, 677116), (682, 615560), (880, 477059), (968, 433690), (1210, 346952), (1240, 338558), (1364, 307780), (1399, 300080), (1705, 246224), (1936, 216845), (2420, 173476), (2480, 169279), (2728, 153890), (2798, 150040), (3410, 123112), (3751, 111920), (4840, 86738), (5456, 76945), (5596, 75020), (6820, 61556), (6995, 60016), (7502, 55960), (9680, 43369), (11192, 37510), (13640, 30778), (13990, 30008), (15004, 27980), (15389, 27280), (18755, 22384)]