139888400

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1831}}^1$

素因数の和:2040

約数の個数: 60

約数和(自身を含む): 338025984

約数和(自身を除く): 198137584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1528, 1831, 1910, 3056, 3662, 3820, 4775, 7324, 7640, 9155, 9550, 14648, 15280, 18310, 19100, 29296, 36620, 38200, 45775, 73240, 76400, 91550, 146480, 183100, 349721, 366200, 699442, 732400, 1398884, 1748605, 2797768, 3497210, 5595536, 6994420, 8743025, 13988840, 17486050, 27977680, 34972100, 69944200, 139888400]

約数ペア:

[(1, 139888400), (2, 69944200), (4, 34972100), (5, 27977680), (8, 17486050), (10, 13988840), (16, 8743025), (20, 6994420), (25, 5595536), (40, 3497210), (50, 2797768), (80, 1748605), (100, 1398884), (191, 732400), (200, 699442), (382, 366200), (400, 349721), (764, 183100), (955, 146480), (1528, 91550), (1831, 76400), (1910, 73240), (3056, 45775), (3662, 38200), (3820, 36620), (4775, 29296), (7324, 19100), (7640, 18310), (9155, 15280), (9550, 14648)]