205202950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3229}}^1$

素因数の和:3313

約数の個数: 48

約数和(自身を含む): 403724160

約数和(自身を除く): 198521210

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1025, 1271, 1550, 2050, 2542, 3229, 6355, 6458, 12710, 16145, 31775, 32290, 63550, 80725, 100099, 132389, 161450, 200198, 264778, 500495, 661945, 1000990, 1323890, 2502475, 3309725, 4104059, 5004950, 6619450, 8208118, 20520295, 41040590, 102601475, 205202950]

約数ペア:

[(1, 205202950), (2, 102601475), (5, 41040590), (10, 20520295), (25, 8208118), (31, 6619450), (41, 5004950), (50, 4104059), (62, 3309725), (82, 2502475), (155, 1323890), (205, 1000990), (310, 661945), (410, 500495), (775, 264778), (1025, 200198), (1271, 161450), (1550, 132389), (2050, 100099), (2542, 80725), (3229, 63550), (6355, 32290), (6458, 31775), (12710, 16145)]