407785140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8747}}^1$

素因数の和:8806

約数の個数: 144

約数和(自身を含む): 1452028032

約数和(自身を除く): 1044242892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6660, 7770, 8747, 9324, 11655, 15540, 17494, 23310, 26241, 34988, 43735, 46620, 52482, 61229, 78723, 87470, 104964, 122458, 131205, 157446, 174940, 183687, 244916, 262410, 306145, 314892, 323639, 367374, 393615, 524820, 551061, 612290, 647278, 734748, 787230, 918435, 970917, 1102122, 1224580, 1294556, 1574460, 1618195, 1836870, 1941834, 2204244, 2265473, 2755305, 2912751, 3236390, 3673740, 3883668, 4530946, 4854585, 5510610, 5825502, 6472780, 6796419, 9061892, 9709170, 11021220, 11327365, 11651004, 13592838, 14563755, 19418340, 20389257, 22654730, 27185676, 29127510, 33982095, 40778514, 45309460, 58255020, 67964190, 81557028, 101946285, 135928380, 203892570, 407785140]

約数ペア:

[(1, 407785140), (2, 203892570), (3, 135928380), (4, 101946285), (5, 81557028), (6, 67964190), (7, 58255020), (9, 45309460), (10, 40778514), (12, 33982095), (14, 29127510), (15, 27185676), (18, 22654730), (20, 20389257), (21, 19418340), (28, 14563755), (30, 13592838), (35, 11651004), (36, 11327365), (37, 11021220), (42, 9709170), (45, 9061892), (60, 6796419), (63, 6472780), (70, 5825502), (74, 5510610), (84, 4854585), (90, 4530946), (105, 3883668), (111, 3673740), (126, 3236390), (140, 2912751), (148, 2755305), (180, 2265473), (185, 2204244), (210, 1941834), (222, 1836870), (252, 1618195), (259, 1574460), (315, 1294556), (333, 1224580), (370, 1102122), (420, 970917), (444, 918435), (518, 787230), (555, 734748), (630, 647278), (666, 612290), (740, 551061), (777, 524820), (1036, 393615), (1110, 367374), (1260, 323639), (1295, 314892), (1332, 306145), (1554, 262410), (1665, 244916), (2220, 183687), (2331, 174940), (2590, 157446), (3108, 131205), (3330, 122458), (3885, 104964), (4662, 87470), (5180, 78723), (6660, 61229), (7770, 52482), (8747, 46620), (9324, 43735), (11655, 34988), (15540, 26241), (17494, 23310)]