243494440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 655257600

約数和(自身を除く): 411763160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 157, 191, 203, 232, 280, 290, 314, 382, 406, 580, 628, 764, 785, 812, 955, 1015, 1099, 1160, 1256, 1337, 1528, 1570, 1624, 1910, 2030, 2198, 2674, 3140, 3820, 4060, 4396, 4553, 5348, 5495, 5539, 6280, 6685, 7640, 8120, 8792, 9106, 10696, 10990, 11078, 13370, 18212, 21980, 22156, 22765, 26740, 27695, 29987, 31871, 36424, 38773, 43960, 44312, 45530, 53480, 55390, 59974, 63742, 77546, 91060, 110780, 119948, 127484, 149935, 155092, 159355, 182120, 193865, 209909, 221560, 239896, 254968, 299870, 310184, 318710, 387730, 419818, 599740, 637420, 775460, 839636, 869623, 1049545, 1199480, 1274840, 1550920, 1679272, 1739246, 2099090, 3478492, 4198180, 4348115, 6087361, 6956984, 8396360, 8696230, 12174722, 17392460, 24349444, 30436805, 34784920, 48698888, 60873610, 121747220, 243494440]

約数ペア:

[(1, 243494440), (2, 121747220), (4, 60873610), (5, 48698888), (7, 34784920), (8, 30436805), (10, 24349444), (14, 17392460), (20, 12174722), (28, 8696230), (29, 8396360), (35, 6956984), (40, 6087361), (56, 4348115), (58, 4198180), (70, 3478492), (116, 2099090), (140, 1739246), (145, 1679272), (157, 1550920), (191, 1274840), (203, 1199480), (232, 1049545), (280, 869623), (290, 839636), (314, 775460), (382, 637420), (406, 599740), (580, 419818), (628, 387730), (764, 318710), (785, 310184), (812, 299870), (955, 254968), (1015, 239896), (1099, 221560), (1160, 209909), (1256, 193865), (1337, 182120), (1528, 159355), (1570, 155092), (1624, 149935), (1910, 127484), (2030, 119948), (2198, 110780), (2674, 91060), (3140, 77546), (3820, 63742), (4060, 59974), (4396, 55390), (4553, 53480), (5348, 45530), (5495, 44312), (5539, 43960), (6280, 38773), (6685, 36424), (7640, 31871), (8120, 29987), (8792, 27695), (9106, 26740), (10696, 22765), (10990, 22156), (11078, 21980), (13370, 18212)]