2019958780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1181}}^1$

素因数の和:1859

約数の個数: 96

約数和(自身を含む): 5115317760

約数和(自身を除く): 3095358980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 643, 665, 1181, 1286, 1330, 2362, 2572, 2660, 3215, 4501, 4724, 5905, 6430, 8267, 9002, 11810, 12217, 12860, 16534, 18004, 22439, 22505, 23620, 24434, 33068, 41335, 44878, 45010, 48868, 61085, 82670, 85519, 89756, 90020, 112195, 122170, 157073, 165340, 171038, 224390, 244340, 314146, 342076, 427595, 448780, 628292, 759383, 785365, 855190, 1518766, 1570730, 1710380, 3037532, 3141460, 3796915, 5315681, 7593830, 10631362, 14428277, 15187660, 21262724, 26578405, 28856554, 53156810, 57713108, 72141385, 100997939, 106313620, 144282770, 201995878, 288565540, 403991756, 504989695, 1009979390, 2019958780]

約数ペア:

[(1, 2019958780), (2, 1009979390), (4, 504989695), (5, 403991756), (7, 288565540), (10, 201995878), (14, 144282770), (19, 106313620), (20, 100997939), (28, 72141385), (35, 57713108), (38, 53156810), (70, 28856554), (76, 26578405), (95, 21262724), (133, 15187660), (140, 14428277), (190, 10631362), (266, 7593830), (380, 5315681), (532, 3796915), (643, 3141460), (665, 3037532), (1181, 1710380), (1286, 1570730), (1330, 1518766), (2362, 855190), (2572, 785365), (2660, 759383), (3215, 628292), (4501, 448780), (4724, 427595), (5905, 342076), (6430, 314146), (8267, 244340), (9002, 224390), (11810, 171038), (12217, 165340), (12860, 157073), (16534, 122170), (18004, 112195), (22439, 90020), (22505, 89756), (23620, 85519), (24434, 82670), (33068, 61085), (41335, 48868), (44878, 45010)]