1921000380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{16529}}^1$

素因数の和:16703

約数の個数: 96

約数和(自身を含む): 5831784000

約数和(自身を除く): 3910783620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 780, 894, 1490, 1788, 1937, 2235, 2980, 3874, 4470, 5811, 7748, 8940, 9685, 11622, 16529, 19370, 23244, 29055, 33058, 38740, 49587, 58110, 66116, 82645, 99174, 116220, 165290, 198348, 214877, 247935, 330580, 429754, 495870, 644631, 859508, 991740, 1074385, 1289262, 2148770, 2462821, 2578524, 3223155, 4297540, 4925642, 6446310, 7388463, 9851284, 12314105, 12892620, 14776926, 24628210, 29553852, 32016673, 36942315, 49256420, 64033346, 73884630, 96050019, 128066692, 147769260, 160083365, 192100038, 320166730, 384200076, 480250095, 640333460, 960500190, 1921000380]

約数ペア:

[(1, 1921000380), (2, 960500190), (3, 640333460), (4, 480250095), (5, 384200076), (6, 320166730), (10, 192100038), (12, 160083365), (13, 147769260), (15, 128066692), (20, 96050019), (26, 73884630), (30, 64033346), (39, 49256420), (52, 36942315), (60, 32016673), (65, 29553852), (78, 24628210), (130, 14776926), (149, 12892620), (156, 12314105), (195, 9851284), (260, 7388463), (298, 6446310), (390, 4925642), (447, 4297540), (596, 3223155), (745, 2578524), (780, 2462821), (894, 2148770), (1490, 1289262), (1788, 1074385), (1937, 991740), (2235, 859508), (2980, 644631), (3874, 495870), (4470, 429754), (5811, 330580), (7748, 247935), (8940, 214877), (9685, 198348), (11622, 165290), (16529, 116220), (19370, 99174), (23244, 82645), (29055, 66116), (33058, 58110), (38740, 49587)]