1887188380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{1489}}^1$

素因数の和:2339

約数の個数: 96

約数和(自身を含む): 4950328320

約数和(自身を除く): 3063139940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 823, 1489, 1540, 1646, 2978, 3292, 4115, 5761, 5956, 7445, 8230, 9053, 10423, 11522, 14890, 16379, 16460, 18106, 20846, 23044, 28805, 29780, 32758, 36212, 41692, 45265, 52115, 57610, 63371, 65516, 81895, 90530, 104230, 114653, 115220, 126742, 163790, 181060, 208460, 229306, 253484, 316855, 327580, 458612, 573265, 633710, 1146530, 1225447, 1267420, 2293060, 2450894, 4901788, 6127235, 8578129, 12254470, 13479917, 17156258, 24508940, 26959834, 34312516, 42890645, 53919668, 67399585, 85781290, 94359419, 134799170, 171562580, 188718838, 269598340, 377437676, 471797095, 943594190, 1887188380]

約数ペア:

[(1, 1887188380), (2, 943594190), (4, 471797095), (5, 377437676), (7, 269598340), (10, 188718838), (11, 171562580), (14, 134799170), (20, 94359419), (22, 85781290), (28, 67399585), (35, 53919668), (44, 42890645), (55, 34312516), (70, 26959834), (77, 24508940), (110, 17156258), (140, 13479917), (154, 12254470), (220, 8578129), (308, 6127235), (385, 4901788), (770, 2450894), (823, 2293060), (1489, 1267420), (1540, 1225447), (1646, 1146530), (2978, 633710), (3292, 573265), (4115, 458612), (5761, 327580), (5956, 316855), (7445, 253484), (8230, 229306), (9053, 208460), (10423, 181060), (11522, 163790), (14890, 126742), (16379, 115220), (16460, 114653), (18106, 104230), (20846, 90530), (23044, 81895), (28805, 65516), (29780, 63371), (32758, 57610), (36212, 52115), (41692, 45265)]