1988132370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 192

約数和(自身を含む): 5714343936

約数和(自身を除く): 3726211566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 97, 98, 105, 146, 147, 191, 194, 210, 219, 245, 291, 294, 365, 382, 438, 485, 490, 511, 573, 582, 679, 730, 735, 955, 970, 1022, 1095, 1146, 1337, 1358, 1455, 1470, 1533, 1910, 2037, 2190, 2555, 2674, 2865, 2910, 3066, 3395, 3577, 4011, 4074, 4753, 5110, 5730, 6685, 6790, 7081, 7154, 7665, 8022, 9359, 9506, 10185, 10731, 13370, 13943, 14162, 14259, 15330, 17885, 18527, 18718, 20055, 20370, 21243, 21462, 23765, 27886, 28077, 28518, 35405, 35770, 37054, 40110, 41829, 42486, 46795, 47530, 49567, 53655, 55581, 56154, 69715, 70810, 71295, 83658, 92635, 93590, 97601, 99134, 106215, 107310, 111162, 129689, 139430, 140385, 142590, 148701, 185270, 195202, 209145, 212430, 247835, 259378, 277905, 280770, 292803, 297402, 346969, 389067, 418290, 488005, 495670, 555810, 585606, 648445, 683207, 693938, 743505, 778134, 907823, 976010, 1040907, 1296890, 1352471, 1366414, 1464015, 1487010, 1734845, 1815646, 1945335, 2049621, 2081814, 2704942, 2723469, 2928030, 3416035, 3469690, 3890670, 4057413, 4099242, 4539115, 5204535, 5446938, 6762355, 6832070, 8114826, 9078230, 9467297, 10248105, 10409070, 13524710, 13617345, 18934594, 20287065, 20496210, 27234690, 28401891, 40574130, 47336485, 56803782, 66271079, 94672970, 132542158, 142009455, 198813237, 284018910, 331355395, 397626474, 662710790, 994066185, 1988132370]

約数ペア:

[(1, 1988132370), (2, 994066185), (3, 662710790), (5, 397626474), (6, 331355395), (7, 284018910), (10, 198813237), (14, 142009455), (15, 132542158), (21, 94672970), (30, 66271079), (35, 56803782), (42, 47336485), (49, 40574130), (70, 28401891), (73, 27234690), (97, 20496210), (98, 20287065), (105, 18934594), (146, 13617345), (147, 13524710), (191, 10409070), (194, 10248105), (210, 9467297), (219, 9078230), (245, 8114826), (291, 6832070), (294, 6762355), (365, 5446938), (382, 5204535), (438, 4539115), (485, 4099242), (490, 4057413), (511, 3890670), (573, 3469690), (582, 3416035), (679, 2928030), (730, 2723469), (735, 2704942), (955, 2081814), (970, 2049621), (1022, 1945335), (1095, 1815646), (1146, 1734845), (1337, 1487010), (1358, 1464015), (1455, 1366414), (1470, 1352471), (1533, 1296890), (1910, 1040907), (2037, 976010), (2190, 907823), (2555, 778134), (2674, 743505), (2865, 693938), (2910, 683207), (3066, 648445), (3395, 585606), (3577, 555810), (4011, 495670), (4074, 488005), (4753, 418290), (5110, 389067), (5730, 346969), (6685, 297402), (6790, 292803), (7081, 280770), (7154, 277905), (7665, 259378), (8022, 247835), (9359, 212430), (9506, 209145), (10185, 195202), (10731, 185270), (13370, 148701), (13943, 142590), (14162, 140385), (14259, 139430), (15330, 129689), (17885, 111162), (18527, 107310), (18718, 106215), (20055, 99134), (20370, 97601), (21243, 93590), (21462, 92635), (23765, 83658), (27886, 71295), (28077, 70810), (28518, 69715), (35405, 56154), (35770, 55581), (37054, 53655), (40110, 49567), (41829, 47530), (42486, 46795)]