30409400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 85876200

約数和(自身を除く): 55466800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 107, 116, 140, 145, 175, 196, 200, 203, 214, 232, 245, 280, 290, 350, 392, 406, 428, 490, 535, 580, 700, 725, 749, 812, 856, 980, 1015, 1070, 1160, 1225, 1400, 1421, 1450, 1498, 1624, 1960, 2030, 2140, 2450, 2675, 2842, 2900, 2996, 3103, 3745, 4060, 4280, 4900, 5075, 5243, 5350, 5684, 5800, 5992, 6206, 7105, 7490, 8120, 9800, 10150, 10486, 10700, 11368, 12412, 14210, 14980, 15515, 18725, 20300, 20972, 21400, 21721, 24824, 26215, 28420, 29960, 31030, 35525, 37450, 40600, 41944, 43442, 52430, 56840, 62060, 71050, 74900, 77575, 86884, 104860, 108605, 124120, 131075, 142100, 149800, 152047, 155150, 173768, 209720, 217210, 262150, 284200, 304094, 310300, 434420, 524300, 543025, 608188, 620600, 760235, 868840, 1048600, 1086050, 1216376, 1520470, 2172100, 3040940, 3801175, 4344200, 6081880, 7602350, 15204700, 30409400]

約数ペア:

[(1, 30409400), (2, 15204700), (4, 7602350), (5, 6081880), (7, 4344200), (8, 3801175), (10, 3040940), (14, 2172100), (20, 1520470), (25, 1216376), (28, 1086050), (29, 1048600), (35, 868840), (40, 760235), (49, 620600), (50, 608188), (56, 543025), (58, 524300), (70, 434420), (98, 310300), (100, 304094), (107, 284200), (116, 262150), (140, 217210), (145, 209720), (175, 173768), (196, 155150), (200, 152047), (203, 149800), (214, 142100), (232, 131075), (245, 124120), (280, 108605), (290, 104860), (350, 86884), (392, 77575), (406, 74900), (428, 71050), (490, 62060), (535, 56840), (580, 52430), (700, 43442), (725, 41944), (749, 40600), (812, 37450), (856, 35525), (980, 31030), (1015, 29960), (1070, 28420), (1160, 26215), (1225, 24824), (1400, 21721), (1421, 21400), (1450, 20972), (1498, 20300), (1624, 18725), (1960, 15515), (2030, 14980), (2140, 14210), (2450, 12412), (2675, 11368), (2842, 10700), (2900, 10486), (2996, 10150), (3103, 9800), (3745, 8120), (4060, 7490), (4280, 7105), (4900, 6206), (5075, 5992), (5243, 5800), (5350, 5684)]