17721340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 47315016

約数和(自身を除く): 29593676

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 107, 130, 140, 169, 182, 196, 214, 245, 260, 338, 364, 428, 455, 490, 535, 637, 676, 749, 845, 910, 980, 1070, 1183, 1274, 1391, 1498, 1690, 1820, 2140, 2366, 2548, 2782, 2996, 3185, 3380, 3745, 4732, 5243, 5564, 5915, 6370, 6955, 7490, 8281, 9737, 10486, 11830, 12740, 13910, 14980, 16562, 18083, 19474, 20972, 23660, 26215, 27820, 33124, 36166, 38948, 41405, 48685, 52430, 68159, 72332, 82810, 90415, 97370, 104860, 126581, 136318, 165620, 180830, 194740, 253162, 272636, 340795, 361660, 506324, 632905, 681590, 886067, 1265810, 1363180, 1772134, 2531620, 3544268, 4430335, 8860670, 17721340]

約数ペア:

[(1, 17721340), (2, 8860670), (4, 4430335), (5, 3544268), (7, 2531620), (10, 1772134), (13, 1363180), (14, 1265810), (20, 886067), (26, 681590), (28, 632905), (35, 506324), (49, 361660), (52, 340795), (65, 272636), (70, 253162), (91, 194740), (98, 180830), (107, 165620), (130, 136318), (140, 126581), (169, 104860), (182, 97370), (196, 90415), (214, 82810), (245, 72332), (260, 68159), (338, 52430), (364, 48685), (428, 41405), (455, 38948), (490, 36166), (535, 33124), (637, 27820), (676, 26215), (749, 23660), (845, 20972), (910, 19474), (980, 18083), (1070, 16562), (1183, 14980), (1274, 13910), (1391, 12740), (1498, 11830), (1690, 10486), (1820, 9737), (2140, 8281), (2366, 7490), (2548, 6955), (2782, 6370), (2996, 5915), (3185, 5564), (3380, 5243), (3745, 4732)]