221444940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{13619}}^1$

素因数の和:13902

約数の個数: 48

約数和(自身を含む): 622379520

約数和(自身を除く): 400934580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1355, 1626, 2710, 3252, 4065, 5420, 8130, 13619, 16260, 27238, 40857, 54476, 68095, 81714, 136190, 163428, 204285, 272380, 408570, 817140, 3690749, 7381498, 11072247, 14762996, 18453745, 22144494, 36907490, 44288988, 55361235, 73814980, 110722470, 221444940]

約数ペア:

[(1, 221444940), (2, 110722470), (3, 73814980), (4, 55361235), (5, 44288988), (6, 36907490), (10, 22144494), (12, 18453745), (15, 14762996), (20, 11072247), (30, 7381498), (60, 3690749), (271, 817140), (542, 408570), (813, 272380), (1084, 204285), (1355, 163428), (1626, 136190), (2710, 81714), (3252, 68095), (4065, 54476), (5420, 40857), (8130, 27238), (13619, 16260)]