123428060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 322328160

約数和(自身を除く): 198900100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 49, 58, 70, 86, 98, 101, 116, 140, 145, 172, 196, 202, 203, 215, 245, 290, 301, 404, 406, 430, 490, 505, 580, 602, 707, 812, 860, 980, 1010, 1015, 1204, 1247, 1414, 1421, 1505, 2020, 2030, 2107, 2494, 2828, 2842, 2929, 3010, 3535, 4060, 4214, 4343, 4949, 4988, 5684, 5858, 6020, 6235, 7070, 7105, 8428, 8686, 8729, 9898, 10535, 11716, 12470, 14140, 14210, 14645, 17372, 17458, 19796, 20503, 21070, 21715, 24745, 24940, 28420, 29290, 30401, 34916, 41006, 42140, 43430, 43645, 49490, 58580, 60802, 61103, 82012, 86860, 87290, 98980, 102515, 121604, 122206, 125947, 143521, 152005, 174580, 205030, 212807, 244412, 251894, 287042, 304010, 305515, 410060, 425614, 503788, 574084, 608020, 611030, 629735, 717605, 851228, 881629, 1064035, 1222060, 1259470, 1435210, 1763258, 2128070, 2518940, 2870420, 3526516, 4256140, 4408145, 6171403, 8816290, 12342806, 17632580, 24685612, 30857015, 61714030, 123428060]

約数ペア:

[(1, 123428060), (2, 61714030), (4, 30857015), (5, 24685612), (7, 17632580), (10, 12342806), (14, 8816290), (20, 6171403), (28, 4408145), (29, 4256140), (35, 3526516), (43, 2870420), (49, 2518940), (58, 2128070), (70, 1763258), (86, 1435210), (98, 1259470), (101, 1222060), (116, 1064035), (140, 881629), (145, 851228), (172, 717605), (196, 629735), (202, 611030), (203, 608020), (215, 574084), (245, 503788), (290, 425614), (301, 410060), (404, 305515), (406, 304010), (430, 287042), (490, 251894), (505, 244412), (580, 212807), (602, 205030), (707, 174580), (812, 152005), (860, 143521), (980, 125947), (1010, 122206), (1015, 121604), (1204, 102515), (1247, 98980), (1414, 87290), (1421, 86860), (1505, 82012), (2020, 61103), (2030, 60802), (2107, 58580), (2494, 49490), (2828, 43645), (2842, 43430), (2929, 42140), (3010, 41006), (3535, 34916), (4060, 30401), (4214, 29290), (4343, 28420), (4949, 24940), (4988, 24745), (5684, 21715), (5858, 21070), (6020, 20503), (6235, 19796), (7070, 17458), (7105, 17372), (8428, 14645), (8686, 14210), (8729, 14140), (9898, 12470), (10535, 11716)]