195905565560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{494761}}^1$

素因数の和:495312

約数の個数: 64

約数和(自身を含む): 464878375200

約数和(自身を除く): 268972809640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 521, 760, 1042, 2084, 2605, 4168, 5210, 9899, 10420, 19798, 20840, 39596, 49495, 79192, 98990, 197980, 395960, 494761, 989522, 1979044, 2473805, 3958088, 4947610, 9400459, 9895220, 18800918, 19790440, 37601836, 47002295, 75203672, 94004590, 188009180, 257770481, 376018360, 515540962, 1031081924, 1288852405, 2062163848, 2577704810, 4897639139, 5155409620, 9795278278, 10310819240, 19590556556, 24488195695, 39181113112, 48976391390, 97952782780, 195905565560]

約数ペア:

[(1, 195905565560), (2, 97952782780), (4, 48976391390), (5, 39181113112), (8, 24488195695), (10, 19590556556), (19, 10310819240), (20, 9795278278), (38, 5155409620), (40, 4897639139), (76, 2577704810), (95, 2062163848), (152, 1288852405), (190, 1031081924), (380, 515540962), (521, 376018360), (760, 257770481), (1042, 188009180), (2084, 94004590), (2605, 75203672), (4168, 47002295), (5210, 37601836), (9899, 19790440), (10420, 18800918), (19798, 9895220), (20840, 9400459), (39596, 4947610), (49495, 3958088), (79192, 2473805), (98990, 1979044), (197980, 989522), (395960, 494761)]