248703390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6914

約数の個数: 96

約数和(自身を含む): 718937856

約数和(自身を除く): 470234466

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 930, 1170, 1209, 1395, 2015, 2418, 2790, 3627, 4030, 6045, 6857, 7254, 12090, 13714, 18135, 20571, 34285, 36270, 41142, 61713, 68570, 89141, 102855, 123426, 178282, 205710, 212567, 267423, 308565, 425134, 445705, 534846, 617130, 637701, 802269, 891410, 1062835, 1275402, 1337115, 1604538, 1913103, 2125670, 2674230, 2763371, 3188505, 3826206, 4011345, 5526742, 6377010, 8022690, 8290113, 9565515, 13816855, 16580226, 19131030, 24870339, 27633710, 41450565, 49740678, 82901130, 124351695, 248703390]

約数ペア:

[(1, 248703390), (2, 124351695), (3, 82901130), (5, 49740678), (6, 41450565), (9, 27633710), (10, 24870339), (13, 19131030), (15, 16580226), (18, 13816855), (26, 9565515), (30, 8290113), (31, 8022690), (39, 6377010), (45, 5526742), (62, 4011345), (65, 3826206), (78, 3188505), (90, 2763371), (93, 2674230), (117, 2125670), (130, 1913103), (155, 1604538), (186, 1337115), (195, 1275402), (234, 1062835), (279, 891410), (310, 802269), (390, 637701), (403, 617130), (465, 534846), (558, 445705), (585, 425134), (806, 308565), (930, 267423), (1170, 212567), (1209, 205710), (1395, 178282), (2015, 123426), (2418, 102855), (2790, 89141), (3627, 68570), (4030, 61713), (6045, 41142), (6857, 36270), (7254, 34285), (12090, 20571), (13714, 18135)]