199449840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 657100800

約数和(自身を除く): 457650960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 191, 228, 229, 240, 285, 304, 380, 382, 456, 458, 570, 573, 687, 760, 764, 912, 916, 955, 1140, 1145, 1146, 1374, 1520, 1528, 1832, 1910, 2280, 2290, 2292, 2748, 2865, 3056, 3435, 3629, 3664, 3820, 4351, 4560, 4580, 4584, 5496, 5730, 6870, 7258, 7640, 8702, 9160, 9168, 10887, 10992, 11460, 13053, 13740, 14516, 15280, 17404, 18145, 18320, 21755, 21774, 22920, 26106, 27480, 29032, 34808, 36290, 43510, 43548, 43739, 45840, 52212, 54435, 54960, 58064, 65265, 69616, 72580, 87020, 87096, 87478, 104424, 108870, 130530, 131217, 145160, 174040, 174192, 174956, 208848, 217740, 218695, 261060, 262434, 290320, 348080, 349912, 435480, 437390, 522120, 524868, 656085, 699824, 831041, 870960, 874780, 1044240, 1049736, 1312170, 1662082, 1749560, 2099472, 2493123, 2624340, 3324164, 3499120, 4155205, 4986246, 5248680, 6648328, 8310410, 9972492, 10497360, 12465615, 13296656, 16620820, 19944984, 24931230, 33241640, 39889968, 49862460, 66483280, 99724920, 199449840]

約数ペア:

[(1, 199449840), (2, 99724920), (3, 66483280), (4, 49862460), (5, 39889968), (6, 33241640), (8, 24931230), (10, 19944984), (12, 16620820), (15, 13296656), (16, 12465615), (19, 10497360), (20, 9972492), (24, 8310410), (30, 6648328), (38, 5248680), (40, 4986246), (48, 4155205), (57, 3499120), (60, 3324164), (76, 2624340), (80, 2493123), (95, 2099472), (114, 1749560), (120, 1662082), (152, 1312170), (190, 1049736), (191, 1044240), (228, 874780), (229, 870960), (240, 831041), (285, 699824), (304, 656085), (380, 524868), (382, 522120), (456, 437390), (458, 435480), (570, 349912), (573, 348080), (687, 290320), (760, 262434), (764, 261060), (912, 218695), (916, 217740), (955, 208848), (1140, 174956), (1145, 174192), (1146, 174040), (1374, 145160), (1520, 131217), (1528, 130530), (1832, 108870), (1910, 104424), (2280, 87478), (2290, 87096), (2292, 87020), (2748, 72580), (2865, 69616), (3056, 65265), (3435, 58064), (3629, 54960), (3664, 54435), (3820, 52212), (4351, 45840), (4560, 43739), (4580, 43548), (4584, 43510), (5496, 36290), (5730, 34808), (6870, 29032), (7258, 27480), (7640, 26106), (8702, 22920), (9160, 21774), (9168, 21755), (10887, 18320), (10992, 18145), (11460, 17404), (13053, 15280), (13740, 14516)]