386249940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30223}}^1$

素因数の和:30309

約数の個数: 72

約数和(自身を含む): 1188165888

約数和(自身を除く): 801915948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 30223, 60446, 90669, 120892, 151115, 181338, 272007, 302230, 362676, 453345, 544014, 604460, 906690, 1088028, 1360035, 1813380, 2145833, 2720070, 4291666, 5440140, 6437499, 8583332, 10729165, 12874998, 19312497, 21458330, 25749996, 32187495, 38624994, 42916660, 64374990, 77249988, 96562485, 128749980, 193124970, 386249940]

約数ペア:

[(1, 386249940), (2, 193124970), (3, 128749980), (4, 96562485), (5, 77249988), (6, 64374990), (9, 42916660), (10, 38624994), (12, 32187495), (15, 25749996), (18, 21458330), (20, 19312497), (30, 12874998), (36, 10729165), (45, 8583332), (60, 6437499), (71, 5440140), (90, 4291666), (142, 2720070), (180, 2145833), (213, 1813380), (284, 1360035), (355, 1088028), (426, 906690), (639, 604460), (710, 544014), (852, 453345), (1065, 362676), (1278, 302230), (1420, 272007), (2130, 181338), (2556, 151115), (3195, 120892), (4260, 90669), (6390, 60446), (12780, 30223)]