181216490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 433520640

約数和(自身を除く): 252304150

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 47, 65, 70, 91, 94, 95, 130, 133, 182, 190, 223, 235, 247, 266, 329, 446, 455, 470, 494, 611, 658, 665, 893, 910, 1115, 1222, 1235, 1330, 1561, 1645, 1729, 1786, 2230, 2470, 2899, 3055, 3122, 3290, 3458, 4237, 4277, 4465, 5798, 6110, 6251, 7805, 8474, 8554, 8645, 8930, 10481, 11609, 12502, 14495, 15610, 17290, 20293, 20962, 21185, 21385, 23218, 28990, 29659, 31255, 40586, 42370, 42770, 52405, 55081, 58045, 59318, 62510, 73367, 81263, 101465, 104810, 110162, 116090, 136253, 146734, 148295, 162526, 199139, 202930, 272506, 275405, 296590, 366835, 385567, 398278, 406315, 550810, 681265, 733670, 771134, 812630, 953771, 995695, 1362530, 1393973, 1907542, 1927835, 1991390, 2588807, 2787946, 3855670, 4768855, 5177614, 6969865, 9537710, 12944035, 13939730, 18121649, 25888070, 36243298, 90608245, 181216490]

約数ペア:

[(1, 181216490), (2, 90608245), (5, 36243298), (7, 25888070), (10, 18121649), (13, 13939730), (14, 12944035), (19, 9537710), (26, 6969865), (35, 5177614), (38, 4768855), (47, 3855670), (65, 2787946), (70, 2588807), (91, 1991390), (94, 1927835), (95, 1907542), (130, 1393973), (133, 1362530), (182, 995695), (190, 953771), (223, 812630), (235, 771134), (247, 733670), (266, 681265), (329, 550810), (446, 406315), (455, 398278), (470, 385567), (494, 366835), (611, 296590), (658, 275405), (665, 272506), (893, 202930), (910, 199139), (1115, 162526), (1222, 148295), (1235, 146734), (1330, 136253), (1561, 116090), (1645, 110162), (1729, 104810), (1786, 101465), (2230, 81263), (2470, 73367), (2899, 62510), (3055, 59318), (3122, 58045), (3290, 55081), (3458, 52405), (4237, 42770), (4277, 42370), (4465, 40586), (5798, 31255), (6110, 29659), (6251, 28990), (7805, 23218), (8474, 21385), (8554, 21185), (8645, 20962), (8930, 20293), (10481, 17290), (11609, 15610), (12502, 14495)]