19990731460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2693}}^1\times {\mathrm{3119}}^1$

素因数の和:5845

約数の個数: 96

約数和(自身を含む): 50835133440

約数和(自身を除く): 30844401980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 2693, 3119, 5386, 6238, 10772, 12476, 13465, 15595, 18851, 21833, 26930, 31190, 37702, 43666, 45781, 53023, 53860, 62380, 75404, 87332, 91562, 94255, 106046, 109165, 183124, 188510, 212092, 218330, 228905, 265115, 320467, 371161, 377020, 436660, 457810, 530230, 640934, 742322, 915620, 1060460, 1281868, 1484644, 1602335, 1855805, 3204670, 3711610, 6409340, 7423220, 8399467, 16798934, 33597868, 41997335, 58796269, 83994670, 117592538, 142790939, 167989340, 235185076, 285581878, 293981345, 571163756, 587962690, 713954695, 999536573, 1175925380, 1427909390, 1999073146, 2855818780, 3998146292, 4997682865, 9995365730, 19990731460]

約数ペア:

[(1, 19990731460), (2, 9995365730), (4, 4997682865), (5, 3998146292), (7, 2855818780), (10, 1999073146), (14, 1427909390), (17, 1175925380), (20, 999536573), (28, 713954695), (34, 587962690), (35, 571163756), (68, 293981345), (70, 285581878), (85, 235185076), (119, 167989340), (140, 142790939), (170, 117592538), (238, 83994670), (340, 58796269), (476, 41997335), (595, 33597868), (1190, 16798934), (2380, 8399467), (2693, 7423220), (3119, 6409340), (5386, 3711610), (6238, 3204670), (10772, 1855805), (12476, 1602335), (13465, 1484644), (15595, 1281868), (18851, 1060460), (21833, 915620), (26930, 742322), (31190, 640934), (37702, 530230), (43666, 457810), (45781, 436660), (53023, 377020), (53860, 371161), (62380, 320467), (75404, 265115), (87332, 228905), (91562, 218330), (94255, 212092), (106046, 188510), (109165, 183124)]