189905380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 516096000

約数和(自身を除く): 326190620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 47, 49, 62, 70, 76, 94, 95, 98, 124, 133, 140, 155, 188, 190, 196, 217, 235, 245, 266, 310, 329, 343, 380, 434, 470, 490, 532, 589, 620, 658, 665, 686, 868, 893, 931, 940, 980, 1085, 1178, 1316, 1330, 1372, 1457, 1519, 1645, 1715, 1786, 1862, 2170, 2303, 2356, 2660, 2914, 2945, 3038, 3290, 3430, 3572, 3724, 4123, 4340, 4465, 4606, 4655, 5828, 5890, 6076, 6251, 6517, 6580, 6860, 7285, 7595, 8246, 8930, 9212, 9310, 10199, 10633, 11515, 11780, 12502, 13034, 14570, 15190, 16121, 16492, 17860, 18620, 20398, 20615, 21266, 23030, 25004, 26068, 27683, 28861, 29140, 30380, 31255, 32242, 32585, 40796, 41230, 42532, 43757, 46060, 50995, 53165, 55366, 57722, 62510, 64484, 65170, 71393, 80605, 82460, 87514, 101990, 106330, 110732, 115444, 125020, 130340, 138415, 142786, 144305, 161210, 175028, 193781, 202027, 203980, 212660, 218785, 276830, 285572, 288610, 306299, 322420, 356965, 387562, 404054, 437570, 499751, 553660, 577220, 612598, 713930, 775124, 808108, 875140, 968905, 999502, 1010135, 1225196, 1356467, 1427860, 1531495, 1937810, 1999004, 2020270, 2498755, 2712934, 3062990, 3875620, 4040540, 4997510, 5425868, 6125980, 6782335, 9495269, 9995020, 13564670, 18990538, 27129340, 37981076, 47476345, 94952690, 189905380]

約数ペア:

[(1, 189905380), (2, 94952690), (4, 47476345), (5, 37981076), (7, 27129340), (10, 18990538), (14, 13564670), (19, 9995020), (20, 9495269), (28, 6782335), (31, 6125980), (35, 5425868), (38, 4997510), (47, 4040540), (49, 3875620), (62, 3062990), (70, 2712934), (76, 2498755), (94, 2020270), (95, 1999004), (98, 1937810), (124, 1531495), (133, 1427860), (140, 1356467), (155, 1225196), (188, 1010135), (190, 999502), (196, 968905), (217, 875140), (235, 808108), (245, 775124), (266, 713930), (310, 612598), (329, 577220), (343, 553660), (380, 499751), (434, 437570), (470, 404054), (490, 387562), (532, 356965), (589, 322420), (620, 306299), (658, 288610), (665, 285572), (686, 276830), (868, 218785), (893, 212660), (931, 203980), (940, 202027), (980, 193781), (1085, 175028), (1178, 161210), (1316, 144305), (1330, 142786), (1372, 138415), (1457, 130340), (1519, 125020), (1645, 115444), (1715, 110732), (1786, 106330), (1862, 101990), (2170, 87514), (2303, 82460), (2356, 80605), (2660, 71393), (2914, 65170), (2945, 64484), (3038, 62510), (3290, 57722), (3430, 55366), (3572, 53165), (3724, 50995), (4123, 46060), (4340, 43757), (4465, 42532), (4606, 41230), (4655, 40796), (5828, 32585), (5890, 32242), (6076, 31255), (6251, 30380), (6517, 29140), (6580, 28861), (6860, 27683), (7285, 26068), (7595, 25004), (8246, 23030), (8930, 21266), (9212, 20615), (9310, 20398), (10199, 18620), (10633, 17860), (11515, 16492), (11780, 16121), (12502, 15190), (13034, 14570)]