438797940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149251}}^1$

素因数の和:149277

約数の個数: 72

約数和(自身を含む): 1429237152

約数和(自身を除く): 990439212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 149251, 298502, 447753, 597004, 746255, 895506, 1044757, 1492510, 1791012, 2089514, 2238765, 2985020, 3134271, 4179028, 4477530, 5223785, 6268542, 7313299, 8955060, 10447570, 12537084, 14626598, 15671355, 20895140, 21939897, 29253196, 31342710, 36566495, 43879794, 62685420, 73132990, 87759588, 109699485, 146265980, 219398970, 438797940]

約数ペア:

[(1, 438797940), (2, 219398970), (3, 146265980), (4, 109699485), (5, 87759588), (6, 73132990), (7, 62685420), (10, 43879794), (12, 36566495), (14, 31342710), (15, 29253196), (20, 21939897), (21, 20895140), (28, 15671355), (30, 14626598), (35, 12537084), (42, 10447570), (49, 8955060), (60, 7313299), (70, 6268542), (84, 5223785), (98, 4477530), (105, 4179028), (140, 3134271), (147, 2985020), (196, 2238765), (210, 2089514), (245, 1791012), (294, 1492510), (420, 1044757), (490, 895506), (588, 746255), (735, 597004), (980, 447753), (1470, 298502), (2940, 149251)]