1213173220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1121

約数の個数: 96

約数和(自身を含む): 3017097216

約数和(自身を除く): 1803923996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 443, 620, 631, 868, 886, 1085, 1262, 1772, 2170, 2215, 2524, 3101, 3155, 4340, 4417, 4430, 6202, 6310, 8834, 8860, 12404, 12620, 13733, 15505, 17668, 19561, 22085, 27466, 31010, 39122, 44170, 54932, 62020, 68665, 78244, 88340, 96131, 97805, 136927, 137330, 192262, 195610, 273854, 274660, 279533, 384524, 391220, 480655, 547708, 559066, 684635, 961310, 1118132, 1369270, 1397665, 1922620, 1956731, 2738540, 2795330, 3913462, 5590660, 7826924, 8665523, 9783655, 17331046, 19567310, 34662092, 39134620, 43327615, 60658661, 86655230, 121317322, 173310460, 242634644, 303293305, 606586610, 1213173220]

約数ペア:

[(1, 1213173220), (2, 606586610), (4, 303293305), (5, 242634644), (7, 173310460), (10, 121317322), (14, 86655230), (20, 60658661), (28, 43327615), (31, 39134620), (35, 34662092), (62, 19567310), (70, 17331046), (124, 9783655), (140, 8665523), (155, 7826924), (217, 5590660), (310, 3913462), (434, 2795330), (443, 2738540), (620, 1956731), (631, 1922620), (868, 1397665), (886, 1369270), (1085, 1118132), (1262, 961310), (1772, 684635), (2170, 559066), (2215, 547708), (2524, 480655), (3101, 391220), (3155, 384524), (4340, 279533), (4417, 274660), (4430, 273854), (6202, 195610), (6310, 192262), (8834, 137330), (8860, 136927), (12404, 97805), (12620, 96131), (13733, 88340), (15505, 78244), (17668, 68665), (19561, 62020), (22085, 54932), (27466, 44170), (31010, 39122)]