1921886330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4133}}^1$

素因数の和:4240

約数の個数: 96

約数和(自身を含む): 4394177424

約数和(自身を除く): 2472291094

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 73, 91, 98, 130, 146, 182, 245, 365, 455, 490, 511, 637, 730, 910, 949, 1022, 1274, 1898, 2555, 3185, 3577, 4133, 4745, 5110, 6370, 6643, 7154, 8266, 9490, 13286, 17885, 20665, 28931, 33215, 35770, 41330, 46501, 53729, 57862, 66430, 93002, 107458, 144655, 202517, 232505, 268645, 289310, 301709, 376103, 405034, 465010, 537290, 603418, 752206, 1012585, 1508545, 1880515, 2025170, 2111963, 2632721, 3017090, 3761030, 3922217, 4223926, 5265442, 7844434, 10559815, 13163605, 14783741, 19611085, 21119630, 26327210, 27455519, 29567482, 39222170, 54911038, 73918705, 137277595, 147837410, 192188633, 274555190, 384377266, 960943165, 1921886330]

約数ペア:

[(1, 1921886330), (2, 960943165), (5, 384377266), (7, 274555190), (10, 192188633), (13, 147837410), (14, 137277595), (26, 73918705), (35, 54911038), (49, 39222170), (65, 29567482), (70, 27455519), (73, 26327210), (91, 21119630), (98, 19611085), (130, 14783741), (146, 13163605), (182, 10559815), (245, 7844434), (365, 5265442), (455, 4223926), (490, 3922217), (511, 3761030), (637, 3017090), (730, 2632721), (910, 2111963), (949, 2025170), (1022, 1880515), (1274, 1508545), (1898, 1012585), (2555, 752206), (3185, 603418), (3577, 537290), (4133, 465010), (4745, 405034), (5110, 376103), (6370, 301709), (6643, 289310), (7154, 268645), (8266, 232505), (9490, 202517), (13286, 144655), (17885, 107458), (20665, 93002), (28931, 66430), (33215, 57862), (35770, 53729), (41330, 46501)]