145880252

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 320221440

約数和(自身を除く): 174341188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 911, 931, 1204, 1634, 1822, 1862, 2107, 3268, 3644, 3724, 4214, 5719, 6377, 8428, 11438, 12754, 17309, 22876, 25508, 34618, 39173, 40033, 44639, 69236, 78346, 80066, 89278, 121163, 156692, 160132, 178556, 242326, 274211, 484652, 548422, 744287, 848141, 1096844, 1488574, 1696282, 1919477, 2977148, 3392564, 3838954, 5210009, 7677908, 10420018, 20840036, 36470063, 72940126, 145880252]

約数ペア:

[(1, 145880252), (2, 72940126), (4, 36470063), (7, 20840036), (14, 10420018), (19, 7677908), (28, 5210009), (38, 3838954), (43, 3392564), (49, 2977148), (76, 1919477), (86, 1696282), (98, 1488574), (133, 1096844), (172, 848141), (196, 744287), (266, 548422), (301, 484652), (532, 274211), (602, 242326), (817, 178556), (911, 160132), (931, 156692), (1204, 121163), (1634, 89278), (1822, 80066), (1862, 78346), (2107, 69236), (3268, 44639), (3644, 40033), (3724, 39173), (4214, 34618), (5719, 25508), (6377, 22876), (8428, 17309), (11438, 12754)]