221423720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41621}}^1$

素因数の和:41658

約数の個数: 64

約数和(自身を含む): 599356800

約数和(自身を除く): 377933080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 41621, 83242, 166484, 208105, 291347, 332968, 416210, 582694, 790799, 832420, 1165388, 1456735, 1581598, 1664840, 2330776, 2913470, 3163196, 3953995, 5535593, 5826940, 6326392, 7907990, 11071186, 11653880, 15815980, 22142372, 27677965, 31631960, 44284744, 55355930, 110711860, 221423720]

約数ペア:

[(1, 221423720), (2, 110711860), (4, 55355930), (5, 44284744), (7, 31631960), (8, 27677965), (10, 22142372), (14, 15815980), (19, 11653880), (20, 11071186), (28, 7907990), (35, 6326392), (38, 5826940), (40, 5535593), (56, 3953995), (70, 3163196), (76, 2913470), (95, 2330776), (133, 1664840), (140, 1581598), (152, 1456735), (190, 1165388), (266, 832420), (280, 790799), (380, 582694), (532, 416210), (665, 332968), (760, 291347), (1064, 208105), (1330, 166484), (2660, 83242), (5320, 41621)]