28079100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{4457}}^1$

素因数の和:4484

約数の個数: 108

約数和(自身を含む): 100608144

約数和(自身を除く): 72529044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 4457, 6300, 8914, 13371, 17828, 22285, 26742, 31199, 40113, 44570, 53484, 62398, 66855, 80226, 89140, 93597, 111425, 124796, 133710, 155995, 160452, 187194, 200565, 222850, 267420, 280791, 311990, 334275, 374388, 401130, 445700, 467985, 561582, 623980, 668550, 779975, 802260, 935970, 1002825, 1123164, 1337100, 1403955, 1559950, 1871940, 2005650, 2339925, 2807910, 3119900, 4011300, 4679850, 5615820, 7019775, 9359700, 14039550, 28079100]

約数ペア:

[(1, 28079100), (2, 14039550), (3, 9359700), (4, 7019775), (5, 5615820), (6, 4679850), (7, 4011300), (9, 3119900), (10, 2807910), (12, 2339925), (14, 2005650), (15, 1871940), (18, 1559950), (20, 1403955), (21, 1337100), (25, 1123164), (28, 1002825), (30, 935970), (35, 802260), (36, 779975), (42, 668550), (45, 623980), (50, 561582), (60, 467985), (63, 445700), (70, 401130), (75, 374388), (84, 334275), (90, 311990), (100, 280791), (105, 267420), (126, 222850), (140, 200565), (150, 187194), (175, 160452), (180, 155995), (210, 133710), (225, 124796), (252, 111425), (300, 93597), (315, 89140), (350, 80226), (420, 66855), (450, 62398), (525, 53484), (630, 44570), (700, 40113), (900, 31199), (1050, 26742), (1260, 22285), (1575, 17828), (2100, 13371), (3150, 8914), (4457, 6300)]