421488400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1857

約数の個数: 120

約数和(自身を含む): 1100921600

約数和(自身を除く): 679433200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 760, 775, 950, 1178, 1240, 1520, 1550, 1789, 1900, 2356, 2480, 2945, 3100, 3578, 3800, 4712, 5890, 6200, 7156, 7600, 8945, 9424, 11780, 12400, 14312, 14725, 17890, 23560, 28624, 29450, 33991, 35780, 44725, 47120, 55459, 58900, 67982, 71560, 89450, 110918, 117800, 135964, 143120, 169955, 178900, 221836, 235600, 271928, 277295, 339910, 357800, 443672, 543856, 554590, 679820, 715600, 849775, 887344, 1053721, 1109180, 1359640, 1386475, 1699550, 2107442, 2218360, 2719280, 2772950, 3399100, 4214884, 4436720, 5268605, 5545900, 6798200, 8429768, 10537210, 11091800, 13596400, 16859536, 21074420, 22183600, 26343025, 42148840, 52686050, 84297680, 105372100, 210744200, 421488400]

約数ペア:

[(1, 421488400), (2, 210744200), (4, 105372100), (5, 84297680), (8, 52686050), (10, 42148840), (16, 26343025), (19, 22183600), (20, 21074420), (25, 16859536), (31, 13596400), (38, 11091800), (40, 10537210), (50, 8429768), (62, 6798200), (76, 5545900), (80, 5268605), (95, 4436720), (100, 4214884), (124, 3399100), (152, 2772950), (155, 2719280), (190, 2218360), (200, 2107442), (248, 1699550), (304, 1386475), (310, 1359640), (380, 1109180), (400, 1053721), (475, 887344), (496, 849775), (589, 715600), (620, 679820), (760, 554590), (775, 543856), (950, 443672), (1178, 357800), (1240, 339910), (1520, 277295), (1550, 271928), (1789, 235600), (1900, 221836), (2356, 178900), (2480, 169955), (2945, 143120), (3100, 135964), (3578, 117800), (3800, 110918), (4712, 89450), (5890, 71560), (6200, 67982), (7156, 58900), (7600, 55459), (8945, 47120), (9424, 44725), (11780, 35780), (12400, 33991), (14312, 29450), (14725, 28624), (17890, 23560)]