309343370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 689472000

約数和(自身を除く): 380128630

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 149, 190, 223, 245, 266, 298, 446, 490, 665, 745, 931, 1043, 1115, 1330, 1490, 1561, 1862, 2086, 2230, 2831, 3122, 4237, 4655, 5215, 5662, 7301, 7805, 8474, 9310, 10430, 10927, 14155, 14602, 15610, 19817, 21185, 21854, 28310, 29659, 33227, 36505, 39634, 42370, 54635, 59318, 66454, 73010, 99085, 109270, 138719, 148295, 166135, 198170, 207613, 232589, 277438, 296590, 332270, 415226, 465178, 631313, 693595, 1038065, 1162945, 1262626, 1387190, 1628123, 2076130, 2325890, 3156565, 3256246, 4419191, 6313130, 8140615, 8838382, 16281230, 22095955, 30934337, 44191910, 61868674, 154671685, 309343370]

約数ペア:

[(1, 309343370), (2, 154671685), (5, 61868674), (7, 44191910), (10, 30934337), (14, 22095955), (19, 16281230), (35, 8838382), (38, 8140615), (49, 6313130), (70, 4419191), (95, 3256246), (98, 3156565), (133, 2325890), (149, 2076130), (190, 1628123), (223, 1387190), (245, 1262626), (266, 1162945), (298, 1038065), (446, 693595), (490, 631313), (665, 465178), (745, 415226), (931, 332270), (1043, 296590), (1115, 277438), (1330, 232589), (1490, 207613), (1561, 198170), (1862, 166135), (2086, 148295), (2230, 138719), (2831, 109270), (3122, 99085), (4237, 73010), (4655, 66454), (5215, 59318), (5662, 54635), (7301, 42370), (7805, 39634), (8474, 36505), (9310, 33227), (10430, 29659), (10927, 28310), (14155, 21854), (14602, 21185), (15610, 19817)]