214181940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 702801792

約数和(自身を除く): 488619852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 263, 277, 294, 420, 490, 526, 554, 588, 735, 789, 831, 980, 1052, 1108, 1315, 1385, 1470, 1578, 1662, 1841, 1939, 2630, 2770, 2940, 3156, 3324, 3682, 3878, 3945, 4155, 5260, 5523, 5540, 5817, 7364, 7756, 7890, 8310, 9205, 9695, 11046, 11634, 12887, 13573, 15780, 16620, 18410, 19390, 22092, 23268, 25774, 27146, 27615, 29085, 36820, 38661, 38780, 40719, 51548, 54292, 55230, 58170, 64435, 67865, 72851, 77322, 81438, 110460, 116340, 128870, 135730, 145702, 154644, 162876, 193305, 203595, 218553, 257740, 271460, 291404, 364255, 386610, 407190, 437106, 509957, 728510, 773220, 814380, 874212, 1019914, 1092765, 1457020, 1529871, 2039828, 2185530, 2549785, 3059742, 3569699, 4371060, 5099570, 6119484, 7139398, 7649355, 10199140, 10709097, 14278796, 15298710, 17848495, 21418194, 30597420, 35696990, 42836388, 53545485, 71393980, 107090970, 214181940]

約数ペア:

[(1, 214181940), (2, 107090970), (3, 71393980), (4, 53545485), (5, 42836388), (6, 35696990), (7, 30597420), (10, 21418194), (12, 17848495), (14, 15298710), (15, 14278796), (20, 10709097), (21, 10199140), (28, 7649355), (30, 7139398), (35, 6119484), (42, 5099570), (49, 4371060), (60, 3569699), (70, 3059742), (84, 2549785), (98, 2185530), (105, 2039828), (140, 1529871), (147, 1457020), (196, 1092765), (210, 1019914), (245, 874212), (263, 814380), (277, 773220), (294, 728510), (420, 509957), (490, 437106), (526, 407190), (554, 386610), (588, 364255), (735, 291404), (789, 271460), (831, 257740), (980, 218553), (1052, 203595), (1108, 193305), (1315, 162876), (1385, 154644), (1470, 145702), (1578, 135730), (1662, 128870), (1841, 116340), (1939, 110460), (2630, 81438), (2770, 77322), (2940, 72851), (3156, 67865), (3324, 64435), (3682, 58170), (3878, 55230), (3945, 54292), (4155, 51548), (5260, 40719), (5523, 38780), (5540, 38661), (5817, 36820), (7364, 29085), (7756, 27615), (7890, 27146), (8310, 25774), (9205, 23268), (9695, 22092), (11046, 19390), (11634, 18410), (12887, 16620), (13573, 15780)]