206338480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 542822400

約数和(自身を除く): 336483920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 38, 40, 58, 62, 76, 80, 95, 116, 124, 145, 151, 152, 155, 190, 232, 248, 290, 302, 304, 310, 380, 464, 496, 551, 580, 589, 604, 620, 755, 760, 899, 1102, 1160, 1178, 1208, 1240, 1510, 1520, 1798, 2204, 2320, 2356, 2416, 2480, 2755, 2869, 2945, 3020, 3596, 4379, 4408, 4495, 4681, 4712, 5510, 5738, 5890, 6040, 7192, 8758, 8816, 8990, 9362, 9424, 11020, 11476, 11780, 12080, 14345, 14384, 17081, 17516, 17980, 18724, 21895, 22040, 22952, 23405, 23560, 28690, 34162, 35032, 35960, 37448, 43790, 44080, 45904, 46810, 47120, 57380, 68324, 70064, 71920, 74896, 83201, 85405, 87580, 88939, 93620, 114760, 135749, 136648, 166402, 170810, 175160, 177878, 187240, 229520, 271498, 273296, 332804, 341620, 350320, 355756, 374480, 416005, 444695, 542996, 665608, 678745, 683240, 711512, 832010, 889390, 1085992, 1331216, 1357490, 1366480, 1423024, 1664020, 1778780, 2171984, 2579231, 2714980, 3328040, 3557560, 5158462, 5429960, 6656080, 7115120, 10316924, 10859920, 12896155, 20633848, 25792310, 41267696, 51584620, 103169240, 206338480]

約数ペア:

[(1, 206338480), (2, 103169240), (4, 51584620), (5, 41267696), (8, 25792310), (10, 20633848), (16, 12896155), (19, 10859920), (20, 10316924), (29, 7115120), (31, 6656080), (38, 5429960), (40, 5158462), (58, 3557560), (62, 3328040), (76, 2714980), (80, 2579231), (95, 2171984), (116, 1778780), (124, 1664020), (145, 1423024), (151, 1366480), (152, 1357490), (155, 1331216), (190, 1085992), (232, 889390), (248, 832010), (290, 711512), (302, 683240), (304, 678745), (310, 665608), (380, 542996), (464, 444695), (496, 416005), (551, 374480), (580, 355756), (589, 350320), (604, 341620), (620, 332804), (755, 273296), (760, 271498), (899, 229520), (1102, 187240), (1160, 177878), (1178, 175160), (1208, 170810), (1240, 166402), (1510, 136648), (1520, 135749), (1798, 114760), (2204, 93620), (2320, 88939), (2356, 87580), (2416, 85405), (2480, 83201), (2755, 74896), (2869, 71920), (2945, 70064), (3020, 68324), (3596, 57380), (4379, 47120), (4408, 46810), (4495, 45904), (4681, 44080), (4712, 43790), (5510, 37448), (5738, 35960), (5890, 35032), (6040, 34162), (7192, 28690), (8758, 23560), (8816, 23405), (8990, 22952), (9362, 22040), (9424, 21895), (11020, 18724), (11476, 17980), (11780, 17516), (12080, 17081), (14345, 14384)]