398844180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1278

約数の個数: 144

約数和(自身を含む): 1388150400

約数和(自身を除く): 989306220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 349, 420, 630, 698, 907, 1047, 1260, 1396, 1745, 1814, 2094, 2443, 2721, 3141, 3490, 3628, 4188, 4535, 4886, 5235, 5442, 6282, 6349, 6980, 7329, 8163, 9070, 9772, 10470, 10884, 12215, 12564, 12698, 13605, 14658, 15705, 16326, 18140, 19047, 20940, 21987, 24430, 25396, 27210, 29316, 31410, 31745, 32652, 36645, 38094, 40815, 43974, 48860, 54420, 57141, 62820, 63490, 73290, 76188, 81630, 87948, 95235, 109935, 114282, 126980, 146580, 163260, 190470, 219870, 228564, 285705, 316543, 380940, 439740, 571410, 633086, 949629, 1142820, 1266172, 1582715, 1899258, 2215801, 2848887, 3165430, 3798516, 4431602, 4748145, 5697774, 6330860, 6647403, 8863204, 9496290, 11079005, 11395548, 13294806, 14244435, 18992580, 19942209, 22158010, 26589612, 28488870, 33237015, 39884418, 44316020, 56977740, 66474030, 79768836, 99711045, 132948060, 199422090, 398844180]

約数ペア:

[(1, 398844180), (2, 199422090), (3, 132948060), (4, 99711045), (5, 79768836), (6, 66474030), (7, 56977740), (9, 44316020), (10, 39884418), (12, 33237015), (14, 28488870), (15, 26589612), (18, 22158010), (20, 19942209), (21, 18992580), (28, 14244435), (30, 13294806), (35, 11395548), (36, 11079005), (42, 9496290), (45, 8863204), (60, 6647403), (63, 6330860), (70, 5697774), (84, 4748145), (90, 4431602), (105, 3798516), (126, 3165430), (140, 2848887), (180, 2215801), (210, 1899258), (252, 1582715), (315, 1266172), (349, 1142820), (420, 949629), (630, 633086), (698, 571410), (907, 439740), (1047, 380940), (1260, 316543), (1396, 285705), (1745, 228564), (1814, 219870), (2094, 190470), (2443, 163260), (2721, 146580), (3141, 126980), (3490, 114282), (3628, 109935), (4188, 95235), (4535, 87948), (4886, 81630), (5235, 76188), (5442, 73290), (6282, 63490), (6349, 62820), (6980, 57141), (7329, 54420), (8163, 48860), (9070, 43974), (9772, 40815), (10470, 38094), (10884, 36645), (12215, 32652), (12564, 31745), (12698, 31410), (13605, 29316), (14658, 27210), (15705, 25396), (16326, 24430), (18140, 21987), (19047, 20940)]