200481990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1685

約数の個数: 64

約数和(自身を含む): 496253952

約数和(自身を除く): 295771962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 71, 122, 142, 183, 213, 305, 355, 366, 426, 610, 710, 915, 1065, 1543, 1830, 2130, 3086, 4331, 4629, 7715, 8662, 9258, 12993, 15430, 21655, 23145, 25986, 43310, 46290, 64965, 94123, 109553, 129930, 188246, 219106, 282369, 328659, 470615, 547765, 564738, 657318, 941230, 1095530, 1411845, 1643295, 2823690, 3286590, 6682733, 13365466, 20048199, 33413665, 40096398, 66827330, 100240995, 200481990]

約数ペア:

[(1, 200481990), (2, 100240995), (3, 66827330), (5, 40096398), (6, 33413665), (10, 20048199), (15, 13365466), (30, 6682733), (61, 3286590), (71, 2823690), (122, 1643295), (142, 1411845), (183, 1095530), (213, 941230), (305, 657318), (355, 564738), (366, 547765), (426, 470615), (610, 328659), (710, 282369), (915, 219106), (1065, 188246), (1543, 129930), (1830, 109553), (2130, 94123), (3086, 64965), (4331, 46290), (4629, 43310), (7715, 25986), (8662, 23145), (9258, 21655), (12993, 15430)]