455366920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{3137}}^1$

素因数の和:3358

約数の個数: 64

約数和(自身を含む): 1084492800

約数和(自身を除く): 629125880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 760, 764, 955, 1528, 1910, 3137, 3629, 3820, 6274, 7258, 7640, 12548, 14516, 15685, 18145, 25096, 29032, 31370, 36290, 59603, 62740, 72580, 119206, 125480, 145160, 238412, 298015, 476824, 596030, 599167, 1192060, 1198334, 2384120, 2396668, 2995835, 4793336, 5991670, 11384173, 11983340, 22768346, 23966680, 45536692, 56920865, 91073384, 113841730, 227683460, 455366920]

約数ペア:

[(1, 455366920), (2, 227683460), (4, 113841730), (5, 91073384), (8, 56920865), (10, 45536692), (19, 23966680), (20, 22768346), (38, 11983340), (40, 11384173), (76, 5991670), (95, 4793336), (152, 2995835), (190, 2396668), (191, 2384120), (380, 1198334), (382, 1192060), (760, 599167), (764, 596030), (955, 476824), (1528, 298015), (1910, 238412), (3137, 145160), (3629, 125480), (3820, 119206), (6274, 72580), (7258, 62740), (7640, 59603), (12548, 36290), (14516, 31370), (15685, 29032), (18145, 25096)]