389611740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1604

約数の個数: 144

約数和(自身を含む): 1284141600

約数和(自身を除く): 894529860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 735, 890, 980, 1068, 1246, 1335, 1470, 1489, 1780, 1869, 2492, 2670, 2940, 2978, 3115, 3738, 4361, 4467, 5340, 5956, 6230, 7445, 7476, 8722, 8934, 9345, 10423, 12460, 13083, 14890, 17444, 17868, 18690, 20846, 21805, 22335, 26166, 29780, 31269, 37380, 41692, 43610, 44670, 52115, 52332, 62538, 65415, 72961, 87220, 89340, 104230, 125076, 130830, 132521, 145922, 156345, 208460, 218883, 261660, 265042, 291844, 312690, 364805, 397563, 437766, 530084, 625380, 662605, 729610, 795126, 875532, 927647, 1094415, 1325210, 1459220, 1590252, 1855294, 1987815, 2188830, 2650420, 2782941, 3710588, 3975630, 4377660, 4638235, 5565882, 6493529, 7951260, 9276470, 11131764, 12987058, 13914705, 18552940, 19480587, 25974116, 27829410, 32467645, 38961174, 55658820, 64935290, 77922348, 97402935, 129870580, 194805870, 389611740]

約数ペア:

[(1, 389611740), (2, 194805870), (3, 129870580), (4, 97402935), (5, 77922348), (6, 64935290), (7, 55658820), (10, 38961174), (12, 32467645), (14, 27829410), (15, 25974116), (20, 19480587), (21, 18552940), (28, 13914705), (30, 12987058), (35, 11131764), (42, 9276470), (49, 7951260), (60, 6493529), (70, 5565882), (84, 4638235), (89, 4377660), (98, 3975630), (105, 3710588), (140, 2782941), (147, 2650420), (178, 2188830), (196, 1987815), (210, 1855294), (245, 1590252), (267, 1459220), (294, 1325210), (356, 1094415), (420, 927647), (445, 875532), (490, 795126), (534, 729610), (588, 662605), (623, 625380), (735, 530084), (890, 437766), (980, 397563), (1068, 364805), (1246, 312690), (1335, 291844), (1470, 265042), (1489, 261660), (1780, 218883), (1869, 208460), (2492, 156345), (2670, 145922), (2940, 132521), (2978, 130830), (3115, 125076), (3738, 104230), (4361, 89340), (4467, 87220), (5340, 72961), (5956, 65415), (6230, 62538), (7445, 52332), (7476, 52115), (8722, 44670), (8934, 43610), (9345, 41692), (10423, 37380), (12460, 31269), (13083, 29780), (14890, 26166), (17444, 22335), (17868, 21805), (18690, 20846)]