404625340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{11159}}^1$

素因数の和:11219

約数の個数: 72

約数和(自身を含む): 1015247520

約数和(自身を除く): 610622180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3626, 5180, 7252, 9065, 11159, 18130, 22318, 36260, 44636, 55795, 78113, 111590, 156226, 223180, 312452, 390565, 412883, 546791, 781130, 825766, 1093582, 1562260, 1651532, 2064415, 2187164, 2733955, 2890181, 4128830, 5467910, 5780362, 8257660, 10935820, 11560724, 14450905, 20231267, 28901810, 40462534, 57803620, 80925068, 101156335, 202312670, 404625340]

約数ペア:

[(1, 404625340), (2, 202312670), (4, 101156335), (5, 80925068), (7, 57803620), (10, 40462534), (14, 28901810), (20, 20231267), (28, 14450905), (35, 11560724), (37, 10935820), (49, 8257660), (70, 5780362), (74, 5467910), (98, 4128830), (140, 2890181), (148, 2733955), (185, 2187164), (196, 2064415), (245, 1651532), (259, 1562260), (370, 1093582), (490, 825766), (518, 781130), (740, 546791), (980, 412883), (1036, 390565), (1295, 312452), (1813, 223180), (2590, 156226), (3626, 111590), (5180, 78113), (7252, 55795), (9065, 44636), (11159, 36260), (18130, 22318)]