219421020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5741}}^1$

素因数の和:5780

約数の個数: 144

約数和(自身を含む): 769795488

約数和(自身を除く): 550374468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 5741, 6370, 7644, 9555, 11482, 12740, 17223, 19110, 22964, 28705, 34446, 38220, 40187, 57410, 68892, 74633, 80374, 86115, 114820, 120561, 149266, 160748, 172230, 200935, 223899, 241122, 281309, 298532, 344460, 373165, 401870, 447798, 482244, 522431, 562618, 602805, 746330, 803740, 843927, 895596, 1044862, 1119495, 1125236, 1205610, 1406545, 1492660, 1567293, 1687854, 2089724, 2238990, 2411220, 2612155, 2813090, 3134586, 3375708, 3657017, 4219635, 4477980, 5224310, 5626180, 6269172, 7314034, 7836465, 8439270, 10448620, 10971051, 14628068, 15672930, 16878540, 18285085, 21942102, 31345860, 36570170, 43884204, 54855255, 73140340, 109710510, 219421020]

約数ペア:

[(1, 219421020), (2, 109710510), (3, 73140340), (4, 54855255), (5, 43884204), (6, 36570170), (7, 31345860), (10, 21942102), (12, 18285085), (13, 16878540), (14, 15672930), (15, 14628068), (20, 10971051), (21, 10448620), (26, 8439270), (28, 7836465), (30, 7314034), (35, 6269172), (39, 5626180), (42, 5224310), (49, 4477980), (52, 4219635), (60, 3657017), (65, 3375708), (70, 3134586), (78, 2813090), (84, 2612155), (91, 2411220), (98, 2238990), (105, 2089724), (130, 1687854), (140, 1567293), (147, 1492660), (156, 1406545), (182, 1205610), (195, 1125236), (196, 1119495), (210, 1044862), (245, 895596), (260, 843927), (273, 803740), (294, 746330), (364, 602805), (390, 562618), (420, 522431), (455, 482244), (490, 447798), (546, 401870), (588, 373165), (637, 344460), (735, 298532), (780, 281309), (910, 241122), (980, 223899), (1092, 200935), (1274, 172230), (1365, 160748), (1470, 149266), (1820, 120561), (1911, 114820), (2548, 86115), (2730, 80374), (2940, 74633), (3185, 68892), (3822, 57410), (5460, 40187), (5741, 38220), (6370, 34446), (7644, 28705), (9555, 22964), (11482, 19110), (12740, 17223)]