28003950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4787}}^1$

素因数の和:4818

約数の個数: 72

約数和(自身を含む): 81041688

約数和(自身を除く): 53037738

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 4787, 5850, 9574, 14361, 23935, 28722, 43083, 47870, 62231, 71805, 86166, 119675, 124462, 143610, 186693, 215415, 239350, 311155, 359025, 373386, 430830, 560079, 622310, 718050, 933465, 1077075, 1120158, 1555775, 1866930, 2154150, 2800395, 3111550, 4667325, 5600790, 9334650, 14001975, 28003950]

約数ペア:

[(1, 28003950), (2, 14001975), (3, 9334650), (5, 5600790), (6, 4667325), (9, 3111550), (10, 2800395), (13, 2154150), (15, 1866930), (18, 1555775), (25, 1120158), (26, 1077075), (30, 933465), (39, 718050), (45, 622310), (50, 560079), (65, 430830), (75, 373386), (78, 359025), (90, 311155), (117, 239350), (130, 215415), (150, 186693), (195, 143610), (225, 124462), (234, 119675), (325, 86166), (390, 71805), (450, 62231), (585, 47870), (650, 43083), (975, 28722), (1170, 23935), (1950, 14361), (2925, 9574), (4787, 5850)]