225978220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 561883392

約数和(自身を除く): 335905172

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 53, 62, 65, 92, 106, 115, 124, 130, 155, 212, 230, 260, 265, 299, 310, 403, 460, 529, 530, 598, 620, 689, 713, 806, 1058, 1060, 1196, 1219, 1378, 1426, 1495, 1612, 1643, 2015, 2116, 2438, 2645, 2756, 2852, 2990, 3286, 3445, 3565, 4030, 4876, 5290, 5980, 6095, 6572, 6877, 6890, 7130, 8060, 8215, 9269, 10580, 12190, 13754, 13780, 14260, 15847, 16399, 16430, 18538, 21359, 24380, 27508, 28037, 31694, 32798, 32860, 34385, 37076, 37789, 42718, 46345, 56074, 63388, 65596, 68770, 75578, 79235, 81995, 85436, 92690, 106795, 112148, 137540, 140185, 151156, 158470, 163990, 185380, 188945, 213187, 213590, 280370, 316940, 327980, 364481, 377890, 426374, 427180, 491257, 560740, 728962, 755780, 852748, 869147, 982514, 1065935, 1457924, 1738294, 1822405, 1965028, 2131870, 2456285, 3476588, 3644810, 4263740, 4345735, 4912570, 7289620, 8691470, 9825140, 11298911, 17382940, 22597822, 45195644, 56494555, 112989110, 225978220]

約数ペア:

[(1, 225978220), (2, 112989110), (4, 56494555), (5, 45195644), (10, 22597822), (13, 17382940), (20, 11298911), (23, 9825140), (26, 8691470), (31, 7289620), (46, 4912570), (52, 4345735), (53, 4263740), (62, 3644810), (65, 3476588), (92, 2456285), (106, 2131870), (115, 1965028), (124, 1822405), (130, 1738294), (155, 1457924), (212, 1065935), (230, 982514), (260, 869147), (265, 852748), (299, 755780), (310, 728962), (403, 560740), (460, 491257), (529, 427180), (530, 426374), (598, 377890), (620, 364481), (689, 327980), (713, 316940), (806, 280370), (1058, 213590), (1060, 213187), (1196, 188945), (1219, 185380), (1378, 163990), (1426, 158470), (1495, 151156), (1612, 140185), (1643, 137540), (2015, 112148), (2116, 106795), (2438, 92690), (2645, 85436), (2756, 81995), (2852, 79235), (2990, 75578), (3286, 68770), (3445, 65596), (3565, 63388), (4030, 56074), (4876, 46345), (5290, 42718), (5980, 37789), (6095, 37076), (6572, 34385), (6877, 32860), (6890, 32798), (7130, 31694), (8060, 28037), (8215, 27508), (9269, 24380), (10580, 21359), (12190, 18538), (13754, 16430), (13780, 16399), (14260, 15847)]