28974540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 93542400

約数和(自身を除く): 64567860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 463, 596, 745, 894, 926, 1043, 1389, 1490, 1788, 1852, 2086, 2235, 2315, 2778, 2980, 3129, 3241, 4172, 4470, 4630, 5215, 5556, 6258, 6482, 6945, 8940, 9260, 9723, 10430, 12516, 12964, 13890, 15645, 16205, 19446, 20860, 27780, 31290, 32410, 38892, 48615, 62580, 64820, 68987, 97230, 137974, 194460, 206961, 275948, 344935, 413922, 482909, 689870, 827844, 965818, 1034805, 1379740, 1448727, 1931636, 2069610, 2414545, 2897454, 4139220, 4829090, 5794908, 7243635, 9658180, 14487270, 28974540]

約数ペア:

[(1, 28974540), (2, 14487270), (3, 9658180), (4, 7243635), (5, 5794908), (6, 4829090), (7, 4139220), (10, 2897454), (12, 2414545), (14, 2069610), (15, 1931636), (20, 1448727), (21, 1379740), (28, 1034805), (30, 965818), (35, 827844), (42, 689870), (60, 482909), (70, 413922), (84, 344935), (105, 275948), (140, 206961), (149, 194460), (210, 137974), (298, 97230), (420, 68987), (447, 64820), (463, 62580), (596, 48615), (745, 38892), (894, 32410), (926, 31290), (1043, 27780), (1389, 20860), (1490, 19446), (1788, 16205), (1852, 15645), (2086, 13890), (2235, 12964), (2315, 12516), (2778, 10430), (2980, 9723), (3129, 9260), (3241, 8940), (4172, 6945), (4470, 6482), (4630, 6258), (5215, 5556)]