85157420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 196064064

約数和(自身を除く): 110906644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 73, 85, 94, 146, 170, 188, 235, 292, 340, 365, 470, 730, 799, 940, 1241, 1460, 1598, 2482, 3196, 3431, 3995, 4964, 5329, 6205, 6862, 7990, 10658, 12410, 13724, 15980, 17155, 21316, 24820, 26645, 34310, 53290, 58327, 68620, 90593, 106580, 116654, 181186, 233308, 250463, 291635, 362372, 452965, 500926, 583270, 905930, 1001852, 1166540, 1252315, 1811860, 2504630, 4257871, 5009260, 8515742, 17031484, 21289355, 42578710, 85157420]

約数ペア:

[(1, 85157420), (2, 42578710), (4, 21289355), (5, 17031484), (10, 8515742), (17, 5009260), (20, 4257871), (34, 2504630), (47, 1811860), (68, 1252315), (73, 1166540), (85, 1001852), (94, 905930), (146, 583270), (170, 500926), (188, 452965), (235, 362372), (292, 291635), (340, 250463), (365, 233308), (470, 181186), (730, 116654), (799, 106580), (940, 90593), (1241, 68620), (1460, 58327), (1598, 53290), (2482, 34310), (3196, 26645), (3431, 24820), (3995, 21316), (4964, 17155), (5329, 15980), (6205, 13724), (6862, 12410), (7990, 10658)]