399484680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2749}}^1$

素因数の和:2943

約数の個数: 128

約数和(自身を含む): 1378080000

約数和(自身を除く): 978595320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 210, 280, 346, 420, 519, 692, 840, 865, 1038, 1211, 1384, 1730, 2076, 2422, 2595, 2749, 3460, 3633, 4152, 4844, 5190, 5498, 6055, 6920, 7266, 8247, 9688, 10380, 10996, 12110, 13745, 14532, 16494, 18165, 19243, 20760, 21992, 24220, 27490, 29064, 32988, 36330, 38486, 41235, 48440, 54980, 57729, 65976, 72660, 76972, 82470, 96215, 109960, 115458, 145320, 153944, 164940, 192430, 230916, 288645, 329880, 384860, 461832, 475577, 577290, 769720, 951154, 1154580, 1426731, 1902308, 2309160, 2377885, 2853462, 3329039, 3804616, 4755770, 5706924, 6658078, 7133655, 9511540, 9987117, 11413848, 13316156, 14267310, 16645195, 19023080, 19974234, 26632312, 28534620, 33290390, 39948468, 49935585, 57069240, 66580780, 79896936, 99871170, 133161560, 199742340, 399484680]

約数ペア:

[(1, 399484680), (2, 199742340), (3, 133161560), (4, 99871170), (5, 79896936), (6, 66580780), (7, 57069240), (8, 49935585), (10, 39948468), (12, 33290390), (14, 28534620), (15, 26632312), (20, 19974234), (21, 19023080), (24, 16645195), (28, 14267310), (30, 13316156), (35, 11413848), (40, 9987117), (42, 9511540), (56, 7133655), (60, 6658078), (70, 5706924), (84, 4755770), (105, 3804616), (120, 3329039), (140, 2853462), (168, 2377885), (173, 2309160), (210, 1902308), (280, 1426731), (346, 1154580), (420, 951154), (519, 769720), (692, 577290), (840, 475577), (865, 461832), (1038, 384860), (1211, 329880), (1384, 288645), (1730, 230916), (2076, 192430), (2422, 164940), (2595, 153944), (2749, 145320), (3460, 115458), (3633, 109960), (4152, 96215), (4844, 82470), (5190, 76972), (5498, 72660), (6055, 65976), (6920, 57729), (7266, 54980), (8247, 48440), (9688, 41235), (10380, 38486), (10996, 36330), (12110, 32988), (13745, 29064), (14532, 27490), (16494, 24220), (18165, 21992), (19243, 20760)]