204637900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 466782624

約数和(自身を除く): 262144724

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 193, 230, 386, 460, 461, 575, 772, 922, 965, 1150, 1844, 1930, 2300, 2305, 3860, 4439, 4610, 4825, 8878, 9220, 9650, 10603, 11525, 17756, 19300, 21206, 22195, 23050, 42412, 44390, 46100, 53015, 88780, 88973, 106030, 110975, 177946, 212060, 221950, 265075, 355892, 443900, 444865, 530150, 889730, 1060300, 1779460, 2046379, 2224325, 4092758, 4448650, 8185516, 8897300, 10231895, 20463790, 40927580, 51159475, 102318950, 204637900]

約数ペア:

[(1, 204637900), (2, 102318950), (4, 51159475), (5, 40927580), (10, 20463790), (20, 10231895), (23, 8897300), (25, 8185516), (46, 4448650), (50, 4092758), (92, 2224325), (100, 2046379), (115, 1779460), (193, 1060300), (230, 889730), (386, 530150), (460, 444865), (461, 443900), (575, 355892), (772, 265075), (922, 221950), (965, 212060), (1150, 177946), (1844, 110975), (1930, 106030), (2300, 88973), (2305, 88780), (3860, 53015), (4439, 46100), (4610, 44390), (4825, 42412), (8878, 23050), (9220, 22195), (9650, 21206), (10603, 19300), (11525, 17756)]