90455960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 250560000

約数和(自身を除く): 160104040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 347, 380, 392, 490, 532, 665, 686, 694, 760, 931, 980, 1064, 1330, 1372, 1388, 1715, 1735, 1862, 1960, 2429, 2660, 2744, 2776, 3430, 3470, 3724, 4655, 4858, 5320, 6517, 6593, 6860, 6940, 7448, 9310, 9716, 12145, 13034, 13186, 13720, 13880, 17003, 18620, 19432, 24290, 26068, 26372, 32585, 32965, 34006, 37240, 46151, 48580, 52136, 52744, 65170, 65930, 68012, 85015, 92302, 97160, 119021, 130340, 131860, 136024, 170030, 184604, 230755, 238042, 260680, 263720, 323057, 340060, 369208, 461510, 476084, 595105, 646114, 680120, 923020, 952168, 1190210, 1292228, 1615285, 1846040, 2261399, 2380420, 2584456, 3230570, 4522798, 4760840, 6461140, 9045596, 11306995, 12922280, 18091192, 22613990, 45227980, 90455960]

約数ペア:

[(1, 90455960), (2, 45227980), (4, 22613990), (5, 18091192), (7, 12922280), (8, 11306995), (10, 9045596), (14, 6461140), (19, 4760840), (20, 4522798), (28, 3230570), (35, 2584456), (38, 2380420), (40, 2261399), (49, 1846040), (56, 1615285), (70, 1292228), (76, 1190210), (95, 952168), (98, 923020), (133, 680120), (140, 646114), (152, 595105), (190, 476084), (196, 461510), (245, 369208), (266, 340060), (280, 323057), (343, 263720), (347, 260680), (380, 238042), (392, 230755), (490, 184604), (532, 170030), (665, 136024), (686, 131860), (694, 130340), (760, 119021), (931, 97160), (980, 92302), (1064, 85015), (1330, 68012), (1372, 65930), (1388, 65170), (1715, 52744), (1735, 52136), (1862, 48580), (1960, 46151), (2429, 37240), (2660, 34006), (2744, 32965), (2776, 32585), (3430, 26372), (3470, 26068), (3724, 24290), (4655, 19432), (4858, 18620), (5320, 17003), (6517, 13880), (6593, 13720), (6860, 13186), (6940, 13034), (7448, 12145), (9310, 9716)]