4144980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 13547520

約数和(自身を除く): 9402540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 139, 140, 142, 210, 213, 278, 284, 355, 417, 420, 426, 497, 556, 695, 710, 834, 852, 973, 994, 1065, 1390, 1420, 1491, 1668, 1946, 1988, 2085, 2130, 2485, 2780, 2919, 2982, 3892, 4170, 4260, 4865, 4970, 5838, 5964, 7455, 8340, 9730, 9869, 9940, 11676, 14595, 14910, 19460, 19738, 29190, 29607, 29820, 39476, 49345, 58380, 59214, 69083, 98690, 118428, 138166, 148035, 197380, 207249, 276332, 296070, 345415, 414498, 592140, 690830, 828996, 1036245, 1381660, 2072490, 4144980]

約数ペア:

[(1, 4144980), (2, 2072490), (3, 1381660), (4, 1036245), (5, 828996), (6, 690830), (7, 592140), (10, 414498), (12, 345415), (14, 296070), (15, 276332), (20, 207249), (21, 197380), (28, 148035), (30, 138166), (35, 118428), (42, 98690), (60, 69083), (70, 59214), (71, 58380), (84, 49345), (105, 39476), (139, 29820), (140, 29607), (142, 29190), (210, 19738), (213, 19460), (278, 14910), (284, 14595), (355, 11676), (417, 9940), (420, 9869), (426, 9730), (497, 8340), (556, 7455), (695, 5964), (710, 5838), (834, 4970), (852, 4865), (973, 4260), (994, 4170), (1065, 3892), (1390, 2982), (1420, 2919), (1491, 2780), (1668, 2485), (1946, 2130), (1988, 2085)]