85323980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3739}}^1$

素因数の和:3918

約数の個数: 48

約数和(自身を含む): 206088960

約数和(自身を除く): 120764980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3739, 4564, 5705, 7478, 11410, 14956, 18695, 22820, 26173, 37390, 52346, 74780, 104692, 130865, 261730, 523460, 609457, 1218914, 2437828, 3047285, 4266199, 6094570, 8532398, 12189140, 17064796, 21330995, 42661990, 85323980]

約数ペア:

[(1, 85323980), (2, 42661990), (4, 21330995), (5, 17064796), (7, 12189140), (10, 8532398), (14, 6094570), (20, 4266199), (28, 3047285), (35, 2437828), (70, 1218914), (140, 609457), (163, 523460), (326, 261730), (652, 130865), (815, 104692), (1141, 74780), (1630, 52346), (2282, 37390), (3260, 26173), (3739, 22820), (4564, 18695), (5705, 14956), (7478, 11410)]