140209020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:744

約数の個数: 144

約数和(自身を含む): 489216000

約数和(自身を除く): 349006980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 223, 252, 315, 420, 446, 499, 630, 669, 892, 998, 1115, 1260, 1338, 1497, 1561, 1996, 2007, 2230, 2495, 2676, 2994, 3122, 3345, 3493, 4014, 4460, 4491, 4683, 4990, 5988, 6244, 6690, 6986, 7485, 7805, 8028, 8982, 9366, 9980, 10035, 10479, 13380, 13972, 14049, 14970, 15610, 17465, 17964, 18732, 20070, 20958, 22455, 23415, 28098, 29940, 31220, 31437, 34930, 40140, 41916, 44910, 46830, 52395, 56196, 62874, 69860, 70245, 89820, 93660, 104790, 111277, 125748, 140490, 157185, 209580, 222554, 280980, 314370, 333831, 445108, 556385, 628740, 667662, 778939, 1001493, 1112770, 1335324, 1557878, 1669155, 2002986, 2225540, 2336817, 3115756, 3338310, 3894695, 4005972, 4673634, 5007465, 6676620, 7010451, 7789390, 9347268, 10014930, 11684085, 14020902, 15578780, 20029860, 23368170, 28041804, 35052255, 46736340, 70104510, 140209020]

約数ペア:

[(1, 140209020), (2, 70104510), (3, 46736340), (4, 35052255), (5, 28041804), (6, 23368170), (7, 20029860), (9, 15578780), (10, 14020902), (12, 11684085), (14, 10014930), (15, 9347268), (18, 7789390), (20, 7010451), (21, 6676620), (28, 5007465), (30, 4673634), (35, 4005972), (36, 3894695), (42, 3338310), (45, 3115756), (60, 2336817), (63, 2225540), (70, 2002986), (84, 1669155), (90, 1557878), (105, 1335324), (126, 1112770), (140, 1001493), (180, 778939), (210, 667662), (223, 628740), (252, 556385), (315, 445108), (420, 333831), (446, 314370), (499, 280980), (630, 222554), (669, 209580), (892, 157185), (998, 140490), (1115, 125748), (1260, 111277), (1338, 104790), (1497, 93660), (1561, 89820), (1996, 70245), (2007, 69860), (2230, 62874), (2495, 56196), (2676, 52395), (2994, 46830), (3122, 44910), (3345, 41916), (3493, 40140), (4014, 34930), (4460, 31437), (4491, 31220), (4683, 29940), (4990, 28098), (5988, 23415), (6244, 22455), (6690, 20958), (6986, 20070), (7485, 18732), (7805, 17964), (8028, 17465), (8982, 15610), (9366, 14970), (9980, 14049), (10035, 13972), (10479, 13380)]