80077900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 200264960

約数和(自身を除く): 120187060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 823, 973, 1390, 1646, 1946, 2780, 3292, 3475, 3892, 4115, 4865, 5761, 6950, 8230, 9730, 11522, 13900, 16460, 19460, 20575, 23044, 24325, 28805, 41150, 48650, 57610, 82300, 97300, 114397, 115220, 144025, 228794, 288050, 457588, 571985, 576100, 800779, 1143970, 1601558, 2287940, 2859925, 3203116, 4003895, 5719850, 8007790, 11439700, 16015580, 20019475, 40038950, 80077900]

約数ペア:

[(1, 80077900), (2, 40038950), (4, 20019475), (5, 16015580), (7, 11439700), (10, 8007790), (14, 5719850), (20, 4003895), (25, 3203116), (28, 2859925), (35, 2287940), (50, 1601558), (70, 1143970), (100, 800779), (139, 576100), (140, 571985), (175, 457588), (278, 288050), (350, 228794), (556, 144025), (695, 115220), (700, 114397), (823, 97300), (973, 82300), (1390, 57610), (1646, 48650), (1946, 41150), (2780, 28805), (3292, 24325), (3475, 23044), (3892, 20575), (4115, 19460), (4865, 16460), (5761, 13900), (6950, 11522), (8230, 9730)]