28909860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4049}}^1$

素因数の和:4085

約数の個数: 96

約数和(自身を含む): 97977600

約数和(自身を除く): 69067740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4049, 7140, 8098, 12147, 16196, 20245, 24294, 28343, 40490, 48588, 56686, 60735, 68833, 80980, 85029, 113372, 121470, 137666, 141715, 170058, 206499, 242940, 275332, 283430, 340116, 344165, 412998, 425145, 481831, 566860, 688330, 825996, 850290, 963662, 1032495, 1376660, 1445493, 1700580, 1927324, 2064990, 2409155, 2890986, 4129980, 4818310, 5781972, 7227465, 9636620, 14454930, 28909860]

約数ペア:

[(1, 28909860), (2, 14454930), (3, 9636620), (4, 7227465), (5, 5781972), (6, 4818310), (7, 4129980), (10, 2890986), (12, 2409155), (14, 2064990), (15, 1927324), (17, 1700580), (20, 1445493), (21, 1376660), (28, 1032495), (30, 963662), (34, 850290), (35, 825996), (42, 688330), (51, 566860), (60, 481831), (68, 425145), (70, 412998), (84, 344165), (85, 340116), (102, 283430), (105, 275332), (119, 242940), (140, 206499), (170, 170058), (204, 141715), (210, 137666), (238, 121470), (255, 113372), (340, 85029), (357, 80980), (420, 68833), (476, 60735), (510, 56686), (595, 48588), (714, 40490), (1020, 28343), (1190, 24294), (1428, 20245), (1785, 16196), (2380, 12147), (3570, 8098), (4049, 7140)]