284428100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 733286400

約数和(自身を除く): 448858300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 31, 38, 44, 50, 55, 62, 76, 95, 100, 110, 124, 155, 190, 209, 220, 275, 310, 341, 380, 418, 439, 475, 550, 589, 620, 682, 775, 836, 878, 950, 1045, 1100, 1178, 1364, 1550, 1705, 1756, 1900, 2090, 2195, 2356, 2945, 3100, 3410, 4180, 4390, 4829, 5225, 5890, 6479, 6820, 8341, 8525, 8780, 9658, 10450, 10975, 11780, 12958, 13609, 14725, 16682, 17050, 19316, 20900, 21950, 24145, 25916, 27218, 29450, 32395, 33364, 34100, 41705, 43900, 48290, 54436, 58900, 64790, 68045, 83410, 91751, 96580, 120725, 129580, 136090, 149699, 161975, 166820, 183502, 208525, 241450, 258571, 272180, 299398, 323950, 340225, 367004, 417050, 458755, 482900, 517142, 598796, 647900, 680450, 748495, 834100, 917510, 1034284, 1292855, 1360900, 1496990, 1835020, 2293775, 2585710, 2844281, 2993980, 3742475, 4587550, 5171420, 5688562, 6464275, 7484950, 9175100, 11377124, 12928550, 14221405, 14969900, 25857100, 28442810, 56885620, 71107025, 142214050, 284428100]

約数ペア:

[(1, 284428100), (2, 142214050), (4, 71107025), (5, 56885620), (10, 28442810), (11, 25857100), (19, 14969900), (20, 14221405), (22, 12928550), (25, 11377124), (31, 9175100), (38, 7484950), (44, 6464275), (50, 5688562), (55, 5171420), (62, 4587550), (76, 3742475), (95, 2993980), (100, 2844281), (110, 2585710), (124, 2293775), (155, 1835020), (190, 1496990), (209, 1360900), (220, 1292855), (275, 1034284), (310, 917510), (341, 834100), (380, 748495), (418, 680450), (439, 647900), (475, 598796), (550, 517142), (589, 482900), (620, 458755), (682, 417050), (775, 367004), (836, 340225), (878, 323950), (950, 299398), (1045, 272180), (1100, 258571), (1178, 241450), (1364, 208525), (1550, 183502), (1705, 166820), (1756, 161975), (1900, 149699), (2090, 136090), (2195, 129580), (2356, 120725), (2945, 96580), (3100, 91751), (3410, 83410), (4180, 68045), (4390, 64790), (4829, 58900), (5225, 54436), (5890, 48290), (6479, 43900), (6820, 41705), (8341, 34100), (8525, 33364), (8780, 32395), (9658, 29450), (10450, 27218), (10975, 25916), (11780, 24145), (12958, 21950), (13609, 20900), (14725, 19316), (16682, 17050)]