201914125

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 306708480

約数和(自身を除く): 104794355

約数列:

[1, 5, 7, 23, 25, 35, 79, 115, 125, 127, 161, 175, 395, 553, 575, 635, 805, 875, 889, 1817, 1975, 2765, 2875, 2921, 3175, 4025, 4445, 9085, 9875, 10033, 12719, 13825, 14605, 15875, 20125, 20447, 22225, 45425, 50165, 63595, 69125, 70231, 73025, 102235, 111125, 227125, 230759, 250825, 317975, 351155, 365125, 511175, 1153795, 1254125, 1589875, 1615313, 1755775, 2555875, 5768975, 8076565, 8778875, 28844875, 40382825, 201914125]

約数ペア:

[(1, 201914125), (5, 40382825), (7, 28844875), (23, 8778875), (25, 8076565), (35, 5768975), (79, 2555875), (115, 1755775), (125, 1615313), (127, 1589875), (161, 1254125), (175, 1153795), (395, 511175), (553, 365125), (575, 351155), (635, 317975), (805, 250825), (875, 230759), (889, 227125), (1817, 111125), (1975, 102235), (2765, 73025), (2875, 70231), (2921, 69125), (3175, 63595), (4025, 50165), (4445, 45425), (9085, 22225), (9875, 20447), (10033, 20125), (12719, 15875), (13825, 14605)]