404507840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 168

約数和(自身を含む): 1096158336

約数和(自身を除く): 691650496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 320, 337, 341, 352, 440, 484, 496, 605, 620, 674, 682, 704, 880, 968, 992, 1210, 1240, 1348, 1364, 1685, 1705, 1760, 1936, 1984, 2420, 2480, 2696, 2728, 3370, 3410, 3520, 3707, 3751, 3872, 4840, 4960, 5392, 5456, 6740, 6820, 7414, 7502, 7744, 9680, 9920, 10447, 10784, 10912, 13480, 13640, 14828, 15004, 18535, 18755, 19360, 20894, 21568, 21824, 26960, 27280, 29656, 30008, 37070, 37510, 38720, 40777, 41788, 52235, 53920, 54560, 59312, 60016, 74140, 75020, 81554, 83576, 104470, 107840, 109120, 114917, 118624, 120032, 148280, 150040, 163108, 167152, 203885, 208940, 229834, 237248, 240064, 296560, 300080, 326216, 334304, 407770, 417880, 459668, 574585, 593120, 600160, 652432, 668608, 815540, 835760, 919336, 1149170, 1186240, 1200320, 1264087, 1304864, 1631080, 1671520, 1838672, 2298340, 2528174, 2609728, 3262160, 3343040, 3677344, 4596680, 5056348, 6320435, 6524320, 7354688, 9193360, 10112696, 12640870, 13048640, 18386720, 20225392, 25281740, 36773440, 40450784, 50563480, 80901568, 101126960, 202253920, 404507840]

約数ペア:

[(1, 404507840), (2, 202253920), (4, 101126960), (5, 80901568), (8, 50563480), (10, 40450784), (11, 36773440), (16, 25281740), (20, 20225392), (22, 18386720), (31, 13048640), (32, 12640870), (40, 10112696), (44, 9193360), (55, 7354688), (62, 6524320), (64, 6320435), (80, 5056348), (88, 4596680), (110, 3677344), (121, 3343040), (124, 3262160), (155, 2609728), (160, 2528174), (176, 2298340), (220, 1838672), (242, 1671520), (248, 1631080), (310, 1304864), (320, 1264087), (337, 1200320), (341, 1186240), (352, 1149170), (440, 919336), (484, 835760), (496, 815540), (605, 668608), (620, 652432), (674, 600160), (682, 593120), (704, 574585), (880, 459668), (968, 417880), (992, 407770), (1210, 334304), (1240, 326216), (1348, 300080), (1364, 296560), (1685, 240064), (1705, 237248), (1760, 229834), (1936, 208940), (1984, 203885), (2420, 167152), (2480, 163108), (2696, 150040), (2728, 148280), (3370, 120032), (3410, 118624), (3520, 114917), (3707, 109120), (3751, 107840), (3872, 104470), (4840, 83576), (4960, 81554), (5392, 75020), (5456, 74140), (6740, 60016), (6820, 59312), (7414, 54560), (7502, 53920), (7744, 52235), (9680, 41788), (9920, 40777), (10447, 38720), (10784, 37510), (10912, 37070), (13480, 30008), (13640, 29656), (14828, 27280), (15004, 26960), (18535, 21824), (18755, 21568), (19360, 20894)]