218557710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 670602240

約数和(自身を除く): 452044530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 197, 210, 270, 315, 378, 394, 587, 591, 630, 945, 985, 1174, 1182, 1379, 1761, 1773, 1890, 1970, 2758, 2935, 2955, 3522, 3546, 4109, 4137, 5283, 5319, 5870, 5910, 6895, 8218, 8274, 8805, 8865, 10566, 10638, 12327, 12411, 13790, 15849, 17610, 17730, 20545, 20685, 24654, 24822, 26415, 26595, 31698, 36981, 37233, 41090, 41370, 52830, 53190, 61635, 62055, 73962, 74466, 79245, 110943, 115639, 123270, 124110, 158490, 184905, 186165, 221886, 231278, 346917, 369810, 372330, 554715, 578195, 693834, 809473, 1040751, 1109430, 1156390, 1618946, 1734585, 2081502, 2428419, 3122253, 3469170, 4047365, 4856838, 5203755, 6244506, 7285257, 8094730, 10407510, 12142095, 14570514, 15611265, 21855771, 24284190, 31222530, 36426285, 43711542, 72852570, 109278855, 218557710]

約数ペア:

[(1, 218557710), (2, 109278855), (3, 72852570), (5, 43711542), (6, 36426285), (7, 31222530), (9, 24284190), (10, 21855771), (14, 15611265), (15, 14570514), (18, 12142095), (21, 10407510), (27, 8094730), (30, 7285257), (35, 6244506), (42, 5203755), (45, 4856838), (54, 4047365), (63, 3469170), (70, 3122253), (90, 2428419), (105, 2081502), (126, 1734585), (135, 1618946), (189, 1156390), (197, 1109430), (210, 1040751), (270, 809473), (315, 693834), (378, 578195), (394, 554715), (587, 372330), (591, 369810), (630, 346917), (945, 231278), (985, 221886), (1174, 186165), (1182, 184905), (1379, 158490), (1761, 124110), (1773, 123270), (1890, 115639), (1970, 110943), (2758, 79245), (2935, 74466), (2955, 73962), (3522, 62055), (3546, 61635), (4109, 53190), (4137, 52830), (5283, 41370), (5319, 41090), (5870, 37233), (5910, 36981), (6895, 31698), (8218, 26595), (8274, 26415), (8805, 24822), (8865, 24654), (10566, 20685), (10638, 20545), (12327, 17730), (12411, 17610), (13790, 15849)]