398784050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1336

約数の個数: 72

約数和(自身を含む): 869788080

約数和(自身を除く): 471004030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 139, 175, 245, 278, 350, 490, 695, 973, 1171, 1225, 1390, 1946, 2342, 2450, 3475, 4865, 5855, 6811, 6950, 8197, 9730, 11710, 13622, 16394, 24325, 29275, 34055, 40985, 48650, 57379, 58550, 68110, 81970, 114758, 162769, 170275, 204925, 286895, 325538, 340550, 409850, 573790, 813845, 1139383, 1434475, 1627690, 2278766, 2868950, 4069225, 5696915, 7975681, 8138450, 11393830, 15951362, 28484575, 39878405, 56969150, 79756810, 199392025, 398784050]

約数ペア:

[(1, 398784050), (2, 199392025), (5, 79756810), (7, 56969150), (10, 39878405), (14, 28484575), (25, 15951362), (35, 11393830), (49, 8138450), (50, 7975681), (70, 5696915), (98, 4069225), (139, 2868950), (175, 2278766), (245, 1627690), (278, 1434475), (350, 1139383), (490, 813845), (695, 573790), (973, 409850), (1171, 340550), (1225, 325538), (1390, 286895), (1946, 204925), (2342, 170275), (2450, 162769), (3475, 114758), (4865, 81970), (5855, 68110), (6811, 58550), (6950, 57379), (8197, 48650), (9730, 40985), (11710, 34055), (13622, 29275), (16394, 24325)]