321002920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 845424000

約数和(自身を除く): 524421080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 199, 245, 280, 392, 398, 490, 796, 823, 980, 995, 1393, 1592, 1646, 1960, 1990, 2786, 3292, 3980, 4115, 5572, 5761, 6584, 6965, 7960, 8230, 9751, 11144, 11522, 13930, 16460, 19502, 23044, 27860, 28805, 32920, 39004, 40327, 46088, 48755, 55720, 57610, 78008, 80654, 97510, 115220, 161308, 163777, 195020, 201635, 230440, 322616, 327554, 390040, 403270, 655108, 806540, 818885, 1146439, 1310216, 1613080, 1637770, 2292878, 3275540, 4585756, 5732195, 6551080, 8025073, 9171512, 11464390, 16050146, 22928780, 32100292, 40125365, 45857560, 64200584, 80250730, 160501460, 321002920]

約数ペア:

[(1, 321002920), (2, 160501460), (4, 80250730), (5, 64200584), (7, 45857560), (8, 40125365), (10, 32100292), (14, 22928780), (20, 16050146), (28, 11464390), (35, 9171512), (40, 8025073), (49, 6551080), (56, 5732195), (70, 4585756), (98, 3275540), (140, 2292878), (196, 1637770), (199, 1613080), (245, 1310216), (280, 1146439), (392, 818885), (398, 806540), (490, 655108), (796, 403270), (823, 390040), (980, 327554), (995, 322616), (1393, 230440), (1592, 201635), (1646, 195020), (1960, 163777), (1990, 161308), (2786, 115220), (3292, 97510), (3980, 80654), (4115, 78008), (5572, 57610), (5761, 55720), (6584, 48755), (6965, 46088), (7960, 40327), (8230, 39004), (9751, 32920), (11144, 28805), (11522, 27860), (13930, 23044), (16460, 19502)]