309608750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 120

約数和(自身を含む): 673097040

約数和(自身を除く): 363488290

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 89, 110, 115, 121, 125, 178, 230, 242, 250, 253, 275, 445, 506, 550, 575, 605, 625, 890, 979, 1150, 1210, 1250, 1265, 1375, 1958, 2047, 2225, 2530, 2750, 2783, 2875, 3025, 4094, 4450, 4895, 5566, 5750, 6050, 6325, 6875, 9790, 10235, 10769, 11125, 12650, 13750, 13915, 14375, 15125, 20470, 21538, 22250, 22517, 24475, 27830, 28750, 30250, 31625, 45034, 48950, 51175, 53845, 55625, 63250, 69575, 75625, 102350, 107690, 111250, 112585, 122375, 139150, 151250, 158125, 225170, 244750, 247687, 255875, 269225, 316250, 347875, 495374, 511750, 538450, 562925, 611875, 695750, 1125850, 1223750, 1238435, 1279375, 1346125, 1739375, 2476870, 2558750, 2692250, 2814625, 3478750, 5629250, 6192175, 6730625, 12384350, 13461250, 14073125, 28146250, 30960875, 61921750, 154804375, 309608750]

約数ペア:

[(1, 309608750), (2, 154804375), (5, 61921750), (10, 30960875), (11, 28146250), (22, 14073125), (23, 13461250), (25, 12384350), (46, 6730625), (50, 6192175), (55, 5629250), (89, 3478750), (110, 2814625), (115, 2692250), (121, 2558750), (125, 2476870), (178, 1739375), (230, 1346125), (242, 1279375), (250, 1238435), (253, 1223750), (275, 1125850), (445, 695750), (506, 611875), (550, 562925), (575, 538450), (605, 511750), (625, 495374), (890, 347875), (979, 316250), (1150, 269225), (1210, 255875), (1250, 247687), (1265, 244750), (1375, 225170), (1958, 158125), (2047, 151250), (2225, 139150), (2530, 122375), (2750, 112585), (2783, 111250), (2875, 107690), (3025, 102350), (4094, 75625), (4450, 69575), (4895, 63250), (5566, 55625), (5750, 53845), (6050, 51175), (6325, 48950), (6875, 45034), (9790, 31625), (10235, 30250), (10769, 28750), (11125, 27830), (12650, 24475), (13750, 22517), (13915, 22250), (14375, 21538), (15125, 20470)]