381471740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 975421440

約数和(自身を除く): 593949700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 47, 52, 53, 62, 65, 76, 94, 95, 106, 124, 130, 155, 188, 190, 212, 235, 247, 260, 265, 310, 380, 403, 470, 494, 530, 589, 611, 620, 689, 806, 893, 940, 988, 1007, 1060, 1178, 1222, 1235, 1378, 1457, 1612, 1643, 1786, 2014, 2015, 2356, 2444, 2470, 2491, 2756, 2914, 2945, 3055, 3286, 3445, 3572, 4028, 4030, 4465, 4940, 4982, 5035, 5828, 5890, 6110, 6572, 6890, 7285, 7657, 8060, 8215, 8930, 9964, 10070, 11609, 11780, 12220, 12455, 13091, 13780, 14570, 15314, 16430, 17860, 18941, 20140, 21359, 23218, 24910, 26182, 27683, 29140, 30628, 31217, 32383, 32860, 37882, 38285, 42718, 46436, 47329, 49820, 52364, 55366, 58045, 62434, 64766, 65455, 75764, 76570, 77221, 85436, 94658, 94705, 106795, 110732, 116090, 124868, 129532, 130910, 138415, 153140, 154442, 156085, 161915, 189316, 189410, 213590, 232180, 236645, 261820, 276830, 308884, 312170, 323830, 359879, 378820, 386105, 405821, 427180, 473290, 553660, 615277, 624340, 647660, 719758, 772210, 811642, 946580, 1003873, 1230554, 1439516, 1467199, 1544420, 1623284, 1799395, 2007746, 2029105, 2461108, 2934398, 3076385, 3598790, 4015492, 4058210, 5019365, 5868796, 6152770, 7197580, 7335995, 8116420, 10038730, 12305540, 14671990, 19073587, 20077460, 29343980, 38147174, 76294348, 95367935, 190735870, 381471740]

約数ペア:

[(1, 381471740), (2, 190735870), (4, 95367935), (5, 76294348), (10, 38147174), (13, 29343980), (19, 20077460), (20, 19073587), (26, 14671990), (31, 12305540), (38, 10038730), (47, 8116420), (52, 7335995), (53, 7197580), (62, 6152770), (65, 5868796), (76, 5019365), (94, 4058210), (95, 4015492), (106, 3598790), (124, 3076385), (130, 2934398), (155, 2461108), (188, 2029105), (190, 2007746), (212, 1799395), (235, 1623284), (247, 1544420), (260, 1467199), (265, 1439516), (310, 1230554), (380, 1003873), (403, 946580), (470, 811642), (494, 772210), (530, 719758), (589, 647660), (611, 624340), (620, 615277), (689, 553660), (806, 473290), (893, 427180), (940, 405821), (988, 386105), (1007, 378820), (1060, 359879), (1178, 323830), (1222, 312170), (1235, 308884), (1378, 276830), (1457, 261820), (1612, 236645), (1643, 232180), (1786, 213590), (2014, 189410), (2015, 189316), (2356, 161915), (2444, 156085), (2470, 154442), (2491, 153140), (2756, 138415), (2914, 130910), (2945, 129532), (3055, 124868), (3286, 116090), (3445, 110732), (3572, 106795), (4028, 94705), (4030, 94658), (4465, 85436), (4940, 77221), (4982, 76570), (5035, 75764), (5828, 65455), (5890, 64766), (6110, 62434), (6572, 58045), (6890, 55366), (7285, 52364), (7657, 49820), (8060, 47329), (8215, 46436), (8930, 42718), (9964, 38285), (10070, 37882), (11609, 32860), (11780, 32383), (12220, 31217), (12455, 30628), (13091, 29140), (13780, 27683), (14570, 26182), (15314, 24910), (16430, 23218), (17860, 21359), (18941, 20140)]