203380398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 521748864

約数和(自身を除く): 318368466

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 31, 39, 46, 53, 62, 69, 78, 93, 106, 117, 138, 159, 186, 207, 234, 279, 299, 318, 403, 414, 477, 529, 558, 598, 689, 713, 806, 897, 954, 1058, 1209, 1219, 1378, 1426, 1587, 1643, 1794, 2067, 2139, 2418, 2438, 2691, 3174, 3286, 3627, 3657, 4134, 4278, 4761, 4929, 5382, 6201, 6417, 6877, 7254, 7314, 9269, 9522, 9858, 10971, 12402, 12834, 13754, 14787, 15847, 16399, 18538, 20631, 21359, 21942, 27807, 28037, 29574, 31694, 32798, 37789, 41262, 42718, 47541, 49197, 55614, 56074, 61893, 64077, 75578, 83421, 84111, 95082, 98394, 113367, 123786, 128154, 142623, 147591, 166842, 168222, 192231, 213187, 226734, 252333, 285246, 295182, 340101, 364481, 384462, 426374, 491257, 504666, 639561, 680202, 728962, 869147, 982514, 1093443, 1279122, 1473771, 1738294, 1918683, 2186886, 2607441, 2947542, 3280329, 3837366, 4421313, 5214882, 6560658, 7822323, 8842626, 11298911, 15644646, 22597822, 33896733, 67793466, 101690199, 203380398]

約数ペア:

[(1, 203380398), (2, 101690199), (3, 67793466), (6, 33896733), (9, 22597822), (13, 15644646), (18, 11298911), (23, 8842626), (26, 7822323), (31, 6560658), (39, 5214882), (46, 4421313), (53, 3837366), (62, 3280329), (69, 2947542), (78, 2607441), (93, 2186886), (106, 1918683), (117, 1738294), (138, 1473771), (159, 1279122), (186, 1093443), (207, 982514), (234, 869147), (279, 728962), (299, 680202), (318, 639561), (403, 504666), (414, 491257), (477, 426374), (529, 384462), (558, 364481), (598, 340101), (689, 295182), (713, 285246), (806, 252333), (897, 226734), (954, 213187), (1058, 192231), (1209, 168222), (1219, 166842), (1378, 147591), (1426, 142623), (1587, 128154), (1643, 123786), (1794, 113367), (2067, 98394), (2139, 95082), (2418, 84111), (2438, 83421), (2691, 75578), (3174, 64077), (3286, 61893), (3627, 56074), (3657, 55614), (4134, 49197), (4278, 47541), (4761, 42718), (4929, 41262), (5382, 37789), (6201, 32798), (6417, 31694), (6877, 29574), (7254, 28037), (7314, 27807), (9269, 21942), (9522, 21359), (9858, 20631), (10971, 18538), (12402, 16399), (12834, 15847), (13754, 14787)]