2019955300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 144

約数和(自身を含む): 5114672640

約数和(自身を除く): 3094717340

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 109, 110, 170, 187, 218, 220, 275, 340, 374, 425, 436, 545, 550, 748, 850, 935, 991, 1090, 1100, 1199, 1700, 1853, 1870, 1982, 2180, 2398, 2725, 3706, 3740, 3964, 4675, 4796, 4955, 5450, 5995, 7412, 9265, 9350, 9910, 10900, 10901, 11990, 16847, 18530, 18700, 19820, 20383, 21802, 23980, 24775, 29975, 33694, 37060, 40766, 43604, 46325, 49550, 54505, 59950, 67388, 81532, 84235, 92650, 99100, 101915, 108019, 109010, 119900, 168470, 185300, 185317, 203830, 216038, 218020, 272525, 336940, 370634, 407660, 421175, 432076, 509575, 540095, 545050, 741268, 842350, 926585, 1019150, 1080190, 1090100, 1188209, 1684700, 1836323, 1853170, 2038300, 2160380, 2376418, 2700475, 3672646, 3706340, 4632925, 4752836, 5400950, 5941045, 7345292, 9181615, 9265850, 10801900, 11882090, 18363230, 18531700, 20199553, 23764180, 29705225, 36726460, 40399106, 45908075, 59410450, 80798212, 91816150, 100997765, 118820900, 183632300, 201995530, 403991060, 504988825, 1009977650, 2019955300]

約数ペア:

[(1, 2019955300), (2, 1009977650), (4, 504988825), (5, 403991060), (10, 201995530), (11, 183632300), (17, 118820900), (20, 100997765), (22, 91816150), (25, 80798212), (34, 59410450), (44, 45908075), (50, 40399106), (55, 36726460), (68, 29705225), (85, 23764180), (100, 20199553), (109, 18531700), (110, 18363230), (170, 11882090), (187, 10801900), (218, 9265850), (220, 9181615), (275, 7345292), (340, 5941045), (374, 5400950), (425, 4752836), (436, 4632925), (545, 3706340), (550, 3672646), (748, 2700475), (850, 2376418), (935, 2160380), (991, 2038300), (1090, 1853170), (1100, 1836323), (1199, 1684700), (1700, 1188209), (1853, 1090100), (1870, 1080190), (1982, 1019150), (2180, 926585), (2398, 842350), (2725, 741268), (3706, 545050), (3740, 540095), (3964, 509575), (4675, 432076), (4796, 421175), (4955, 407660), (5450, 370634), (5995, 336940), (7412, 272525), (9265, 218020), (9350, 216038), (9910, 203830), (10900, 185317), (10901, 185300), (11990, 168470), (16847, 119900), (18530, 109010), (18700, 108019), (19820, 101915), (20383, 99100), (21802, 92650), (23980, 84235), (24775, 81532), (29975, 67388), (33694, 59950), (37060, 54505), (40766, 49550), (43604, 46325)]