155220100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 415973376

約数和(自身を除く): 260753276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 31, 35, 46, 50, 62, 70, 92, 100, 115, 124, 140, 155, 161, 175, 217, 230, 310, 311, 322, 350, 434, 460, 575, 620, 622, 644, 700, 713, 775, 805, 868, 1085, 1150, 1244, 1426, 1550, 1555, 1610, 2170, 2177, 2300, 2852, 3100, 3110, 3220, 3565, 4025, 4340, 4354, 4991, 5425, 6220, 7130, 7153, 7775, 8050, 8708, 9641, 9982, 10850, 10885, 14260, 14306, 15550, 16100, 17825, 19282, 19964, 21700, 21770, 24955, 28612, 31100, 35650, 35765, 38564, 43540, 48205, 49910, 50071, 54425, 67487, 71300, 71530, 96410, 99820, 100142, 108850, 124775, 134974, 143060, 178825, 192820, 200284, 217700, 221743, 241025, 249550, 250355, 269948, 337435, 357650, 443486, 482050, 499100, 500710, 674870, 715300, 886972, 964100, 1001420, 1108715, 1251775, 1349740, 1552201, 1687175, 2217430, 2503550, 3104402, 3374350, 4434860, 5007100, 5543575, 6208804, 6748700, 7761005, 11087150, 15522010, 22174300, 31044020, 38805025, 77610050, 155220100]

約数ペア:

[(1, 155220100), (2, 77610050), (4, 38805025), (5, 31044020), (7, 22174300), (10, 15522010), (14, 11087150), (20, 7761005), (23, 6748700), (25, 6208804), (28, 5543575), (31, 5007100), (35, 4434860), (46, 3374350), (50, 3104402), (62, 2503550), (70, 2217430), (92, 1687175), (100, 1552201), (115, 1349740), (124, 1251775), (140, 1108715), (155, 1001420), (161, 964100), (175, 886972), (217, 715300), (230, 674870), (310, 500710), (311, 499100), (322, 482050), (350, 443486), (434, 357650), (460, 337435), (575, 269948), (620, 250355), (622, 249550), (644, 241025), (700, 221743), (713, 217700), (775, 200284), (805, 192820), (868, 178825), (1085, 143060), (1150, 134974), (1244, 124775), (1426, 108850), (1550, 100142), (1555, 99820), (1610, 96410), (2170, 71530), (2177, 71300), (2300, 67487), (2852, 54425), (3100, 50071), (3110, 49910), (3220, 48205), (3565, 43540), (4025, 38564), (4340, 35765), (4354, 35650), (4991, 31100), (5425, 28612), (6220, 24955), (7130, 21770), (7153, 21700), (7775, 19964), (8050, 19282), (8708, 17825), (9641, 16100), (9982, 15550), (10850, 14306), (10885, 14260)]